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Showing posts with label birth defects. Show all posts
Showing posts with label birth defects. Show all posts

Thursday, March 25, 2010

Gender-bender chemicals putting everyone at risk

Thursday, March 25, 2010
Gender-bender chemicals putting everyone at riskMillions of people have been contaminated with potentially dangerous gender-bending chemicals from food packaging, drinks cans and baby bottles, a study shows.

Researchers say the general public is 'ubiquitously' exposed to bisphenol A (BPA) - a man-made chemical linked to breast cancer, fertility problems and birth defects.

The chemical, which mimics the female sex hormone oestrogen, was found at detectable levels in most pregnant women, teenagers and children.

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Tuesday, November 3, 2009

Vitamin E can increase the risk of heart defect in babies

Tuesday, November 3, 2009
 Researchers discovered that women who took similar amounts of vitamin E in the month before conceiving were also more likely to give birth to babies with heart defects  Photo: GETTYExpectant mothers have been warned that taking vitamin E during pregnancy can increase the risk of their babies developing heart defects.

Consuming as little as three-quarters of the daily recommended amount of the vitamin can increase the risk of a child being born with a heart abnormality by up to nine times, a new study found.

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Tuesday, April 28, 2009

The importance of folate, zinc and antioxidants

Tuesday, April 28, 2009
Picture by lizvandhal
The importance of folate, zinc and antioxidants in the pathogenesis and prevention of subfertilityThe importance of folate, zinc and antioxidants in the pathogenesis and prevention of subfertility

UV radiation destroys folic acid, a precursor for folate, the lack of which may result in birth defects.

Current treatments of subfertile couples are usually empiric, as the true cause of subfertility often remains unknown. Therefore, we outline the role of nutritional and biochemical factors in reproduction and subfertility. A literature search was performed using MEDLINE, Science Direct and bibliographies of published work with both positive and negative results.

The studies showed that folate has a role in spermatogenesis. In female reproduction, folate is also important for oocyte quality and maturation, implantation, placentation, fetal growth and organ development. Zinc has also been implicated in testicular development, sperm maturation and testosterone synthesis.

In females, zinc plays a role in sexual development, ovulation and the menstrual cycle. Both folate and zinc have antioxidant properties that counteract reactive oxygen species (ROS). Thiols, such as glutathione, balance the levels of ROS produced by spermatozoa and influence DNA compaction and the stability and motility of spermatozoa. Oocyte maturation, ovulation, luteolysis and follicle atresia are also affected by ROS.

After fertilization, glutathione is important for sperm nucleus decondensation and pronucleus formation. Folate, zinc, ROS and thiols affect apoptosis, which is important for sperm release, regulation of follicle atresia, degeneration of the corpus luteum and endometrial shedding.

Therefore, the concentrations of these nutrients may have substantial effects on reproduction. In conclusion, nutritional and biochemical factors affect biological processes in male and female reproduction. Further research should identify pathways that may lead to improvements in care and treatment of subfertility.

Read more:
http://scienceblogs.com/gnxp/2009/04/folate_fertility_skin_color.php?utm_source=sbhomepage&utm_medium=link&utm_content=channellink


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Tuesday, February 17, 2009

Picture Emerging on Genetic Risks of IVF

Tuesday, February 17, 2009
Picture by clix
Picture Emerging on Genetic Risks of IVFIn November, the Centers for Disease Control and Prevention published a paper reporting that babies conceived with IVF, or with a technique in which sperm are injected directly into eggs, have a slightly increased risk of several birth defects, including a hole between the two chambers of the heart, a cleft lip or palate, an improperly developed esophagus and a malformed rectum.

The study involved 9,584 babies with birth defects and 4,792 babies without. Among the mothers of babies without birth defects, 1.1 percent had used IVF or related methods, compared with 2.4 percent of mothers of babies with birth defects.

The findings are considered preliminary, and researchers say they believe IVF does not carry excessive risks. There is a 3 percent chance that any given baby will have a birth defect.

Full story:
http://www.starnewsonline.com/article/20090217/ZNYT04/902173011/0/NEWS4520?Title=Picture_Emerging_on_Genetic_Risks_of_IVF


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Monday, September 22, 2008

Test boosts chances of IVF success

Monday, September 22, 2008
Image: From Byrne, et al. 2007.
Nature 450: 497-502
(Supplementary Material).
Spindle: Visualization of the meiotic spindle in a rhesus monkey oocyte (egg) using the OosightTM spindle imaging system during enucleation. The spindle is near the 12 oclock position in the egg. A new test that can detect if the eggs produced by a woman are defective may prove to be a boon for wannabe mothers who opt for in-vitro fertilisation (IVF). Till now, women would routinely subject themselves to a series of failed IVF attempts without realising they carried defective eggs, which would produce abnormal children.

Medical experts at Delhi’s Phoenix Hospital explain the procedure as follows: “A healthy egg contains a spindle, which holds the complete genetic package. Some eggs don’t contain it. A special imaging system called the spindle view, in use abroad since 2003 and now available in India, makes it easy to check that.”


Full story:
http://timesofindia.indiatimes.com/HealthSci/Test_boosts_chances_of_IVF_success/articleshow/3508106.cms


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Sunday, July 20, 2008

Fertility study: Frozen embryos yield healthier babies than fresh ones

Sunday, July 20, 2008
19 July, 2008 - This month Danish scientists reported results from a 10-year study that showed children born from previously frozen embryos that had been replaced in the womb had higher birth weight than those born when fresh embryos were used.

The mothers had longer pregnancies, and the children did not show increased risk for birth defects, according to Dr. Anja Pinborg of the Copenhagen University Hospital Rigshospitalet who presented the results at the European Society of Human Reproduction and Embryology annual conference in Barcelona July 8.

Source: http://www.fleshandstone.net/healthandsciencenews/embryos.html



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Friday, July 11, 2008

Children from frozen embryos do well

Friday, July 11, 2008
Picture by ranger413_3
Children born from frozen embryos weigh more and do better than those born after fresh transfer  Children born from frozen embryos weigh more and do better than those born after fresh transfer

Barcelona, Spain: Children born after a frozen, thawed embryo has been replaced in the womb have higher birth weight than those born where fresh embryos were used, Danish scientists reported to the 24th annual conference of the European Society of Human Reproduction and Embryology today (Tuesday 8 July). The mothers had longer pregnancies, and the children did not show an increased risk of congenital malformations, said Dr. Anja Pinborg, from the Copenhagen University Hospital Rigshospitalet, Copenhagen, Denmark.

in
Biological Science via EurekAlert! @ 11:47 8th Jul - Related


Source: http://bigblog.com/biological_science/children-born-from-frozen-embryos-weigh-more-and-do-better-than-those-born-after-fresh-transfer-1494457307.html

Babies From Frozen Embryo Just As Healthy: Study

Published on July 9, 2008

Using frozen embryos in place of fresh ones during
IVF procedures produces healthier babies with higher birth weight and lesser abnormalities, a new Danish study reports.

The findings of the study presented at a meeting of the European Society of Human Reproduction and Embryology on Tuesday provided strong evidence stating that
babies born from frozen embryos were just as healthy as those conceived naturally.

The team of Danish researchers monitored medical records of nearly over 1,200 children born in Denmark between 1995 and 2006 using frozen embryos technique. Also monitored were nearly 18,000 children born from fresh embryos during the same period.

Upon comparison of medical records between the two groups of
infants born using different techniques, the babies in the frozen embryo group weighed about 200 grams more at time of birth and also had a lesser percentage of pre-term births as compared to the other group, the Danish researchers found.

Also, frozen embryo technique did not increase the risk of congenital birth defects among infants. The congenital birth defects rate in the frozen embryo group was 7.1 per cent compared to 8.8 per cent where fresh embryos had been used. Moreover, fewer newborns required immediate medical support or admission to neonatal intensive care units, researchers found.

"According to this study, which is currently the largest on frozen embryo replacement offspring, these children perform as ... offspring after fresh embryo transplant or even better," the researchers remarked.

‘The strongest embryos survived the freezing process’ researchers of the study said while explaining why frozen embryos produced better results than the ‘fresh’ ones.

Freezing embryos, a well-established form of assisted conception treatment saves eggs for future use. Embryos are stored in liquid
nitrogen at a temperature of minus 196º C for up to five years. Stored at such low temperature they are in a state of suspended animation where all metabolic activity is halted.

Source:
http://www.themedguru.com/articles/babies_from_frozen_embryo_just_as_healthy_study-8615814.html



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Friday, April 11, 2008

Low Folate Diet Linked To Sperm Abnormality

Friday, April 11, 2008
Photo by www.action.org.ukLow Folate Diet Linked To Sperm Abnormality
The old adage "we are what we eat" received further support this week, and may even suggest "we are what our parents ate" when a new study by researchers in the US revealed that healthy men who have a diet low in folate have a higher risk of chromosomal abnormalities in their sperm. Chromosomal abnormalities in sperm are known to cause a range of congenital conditions such as Down syndrome and learning and development disorders.

The study is the work of scientists at the University of California (UC), Berkeley, and the Lawrence Berkeley National Laboratory, and is published in the 19th March issue of the journal Human Reproduction.

Women of childbearing age are encouraged to maintain a healthy intake of folate because it is essential for healthy fetal development, and to prevent neural tube birth defects such as spina bifida or anencephaly (severe type of brain damage). That is why folic acid is now added to bread, cereal, flour and other grain products in the US.

But this is the first study to suggest that folate intake in men may affect their children.

Researcher at UC Berkeley's School of Public Health and coordinator of the study, Suzanne Young, said:

"Recent studies have suggested that paternal diet affects sperm count and motility, which is important for conception, but this new study takes it further to say that male diet may be important for healthy offspring as well."

Young said their study was the first to examine the effects of diet on chromosomal abnormalities in sperm.

"These abnormalities would cause either miscarriages or children with genetic syndromes if the sperm fertilized an egg," explained Young.

The researchers said that about 1 to 4 per cent of healthy male sperm has an abnormal number of chromosomes, or aneuploidy. These abnormalities arise when cells divide (meiosis) in the testis, but their cause is not well understood.

If an aneuploidic sperm fertilizes a normal egg, the fetus would either miscarry or develop a chromosomal disorder, such as trisomy, where cells have three copies of each chromosome instead of the more usual two (one from each parent).

In this study the investigators looked at three chromosomes linked with common types of aneuploidy in live births: X, Y and chromosome 21. Down syndrome, for example, is caused by having an extra chromosome 21. Klinefelter syndrome, which can affect language and learning development, is caused by an extra X chromosome in boys, and boys carrying an extra Y chromosome have XYY syndrome, also linked to learning and behavioral difficulties.

The participants were 97 non-smoking men with no previous history of reproductive or fertility problems. The aged from 22 to 80 and were either still working at or had retired from a government research laboratory.

The men filled in questionnaires about their diet and supplements like multi-vitamins and other nutrients. Semen samples were taken up to a week later.

After taking out the effects of age, alcohol and medical history, the results showed that men who reported the highest folate intake had a 19 per cent lower rate of aneuploidic sperm that men with moderate folate intake, and 20 per cent lower than men with the lowest folate intake.

The analysis did not show any links between aneuploidy and other nutrients such as zinc, calcium, beta-carotene and other vitamins, said the researchers, who concluded that:

"Men with high folate intake had lower overall frequencies of several types of aneuploid sperm."

Co-principal investigator of the study, professor of epidemiology and maternal and child health at UC Berkeley's School of Public Health, Brenda Eskenazi, said:

""The emphasis related to the birth of a healthy baby has been weighted towards the health and diet of women, not just during pregnancy, but before."

"What we're finding now is that a nutritious diet, specifically folate intake, may be beneficial for men as well when it comes to producing healthy offspring," she added.

Folate, which occurs naturally in a range of foods such as liver, leafy green vegetables, peas, beans, lentils and citrus fruits, is a water soluble vitamin of the B group.

Folate is essential for DNA, RNA and protein synthesis and the development of new cells. It also helps to control homocysteine, an amino acid that has been linked to heart disease.

But before men hoping to become dads rush out to buy folic acid or start maxing out on lentils, they should take note, as the researchers themselves suggested, that this study only found a link between folate and healthy sperm, it did not establish for certain that there is a cause and effect relationship.

Study co-principal investigator and chair of the Radiation Biosciences Department at Lawrence Berkeley National Laboratory, Andrew Wyrobek, cautioned:

"We can't yet say that increasing folate in your diet will lead to healthier sperm."

"But we did come up with enough evidence to justify a larger, clinical and pharmacological trial in men to examine the causal relationships between dietary folate levels and chromosomal abnormalities in their sperm,"
added Wyrobek.

This information will help us set dietary folate levels that may reduce the risk of miscarriage or birth defects linked to the fathers," he said.

If further research supports these findings, the researchers suggest it might be a good idea to increase the current recommended 400 micrograms daily allowance of folate for men hoping to become dads.

"The association of folate, zinc and antioxidant intake with sperm aneuploidy in healthy non-smoking men."


Hum. Reprod. Advance Access published on March 19, 2008.
DOI:10.1093/humrep/den036

Click here for Abstract.

Sources: Journal abstract, press statement from University of California, Berkeley.
http://www.medicalnewstoday.com/articles/101208.php


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Monday, February 18, 2008

The Risk of Major Birth Defects after Intracytoplasmic Sperm Injection and in Vitro Fertilization

Monday, February 18, 2008
Background: It is not known whether infants conceived with use of intracytoplasmic sperm injection or in vitro fertilization have a higher risk of birth defects than infants conceived naturally.

Methods: We obtained data from three registries in Western Australia on births, births after assisted conception, and major birth defects in infants born between 1993 and 1997. We assessed the prevalence of major birth defects diagnosed by one year of age in infants conceived naturally or with use of intracytoplasmic sperm injection or in vitro fertilization.

Results: Twenty-six of the 301 infants conceived with intracytoplasmic sperm injection (8.6 percent) and 75 of the 837 infants conceived with in vitro fertilization (9.0 percent) had a major birth defect diagnosed by one year of age, as compared with 168 of the 4000 naturally conceived infants (4.2 percent; P greater than 0.001 for the comparison between either type of technology and natural conception).


As compared with natural conception, the odds ratio for a major birth defect by one year of age, after adjustment for maternal age and parity, the sex of the infant, and correlation between siblings, was 2.0 (95 percent confidence interval, 1.3 to 3.2) with intracytoplasmic sperm injection, and 2.0 (95 percent confidence interval, 1.5 to 2.9) with in vitro fertilization. Infants conceived with use of assisted reproductive technology were more likely than naturally conceived infants to have multiple major defects and to have chromosomal and musculoskeletal defects.

Conclusions: Infants conceived with use of intracytoplasmic sperm injection or in vitro fertilization have twice as high a risk of a major birth defect as naturally conceived infants.

New England Journal of Medicine: Volume 346:725-730, March 7, 2002, Number 10

Full article: https://content.nejm.org/cgi/content/full/346/10/725?ck=nck

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Saturday, February 16, 2008

It´s Never Too Late! Pregnancy After 40

Saturday, February 16, 2008
Photo byproud older mom holding new baby greyman
It is happening! Pregnancy after 40 is no more as rare as it used to be. Congratulations, if you have also conceived. It is not an easy journey when you get pregnant after the age of 40. There are extra precautions to be taken, more tests to be carried out, and there is always the fear of some thing going wrong.

Miscarriage, premature delivery, delivering a baby with a genetic defect and the list goes on and on. To top it all you have to put up with comments and questions from your ´well meaning´ friends and relatives. But believe in yourself, pray, and read the right kind of books. This will help you through the various stages.

Reasons For Pregnancy Over 40

Maybe you were career-oriented and feared that child rearing will come in the way, or you may have had a late marriage. Divorce and remarriage could be yet another reason. Maybe you were undergoing infertility treatment. Maybe even a psychological buildup due to a neglected childhood affected your decision to have a baby earlier on in life. Now it is anyways not the time to ponder over the reasons but to go ahead and do whatever possible to nurture your unborn baby.

Getting pregnant over 40 is difficult as the reproductive capacity slowly decreases after 35. If you are one of those who are trying to balance a high stress job and your pregnancy, I am telling you that you are only adding to your risks. Take up something less stressful and yet fulfilling. Eat healthy, avoid alcohol and caffeine. Have reasonable physical activity and take adequate rest. Try to practice meditation.

Prenatal Tests

You should undergo all the routine blood, urine and blood pressure tests. In addition, you can opt to get additional tests done as applicable for late pregnancies. These tests are done to detect defects like Down´s syndrome. Although not fully accurate, a normal result can be a great relief. If the results are not good, prepare for the arrival of a baby with special needs. You can also decide not to get these additional tests done. The risks involved in getting pregnant above the age of 40 are similar to that of a late after the age of 35 but are definitely more pronounced. Gain more insight on the subject by reading books. Get yourself a pregnancy wheel to keep track of your progress.


Social Aspects Of Pregnancy After 40

Whom all to tell and when to tell that you are pregnant? As you missed your period and felt the early symptoms, you must have already told your partner. After the medical tests confirm that you are pregnant, you may want to confide in one or two of your friends and relatives. Since it is a pregnancy over the age of 40, you might want to wait till the end of the first trimester also. If the additional prenatal tests are normal, you may feel more confidence in telling others. In any case, be prepared for some disapproving comments. Maintain your calm and peace. Let your pregnancy after 40 be safe for you and your baby.

Congratulations for getting
pregnant over 40. If you are worried over what others will say, don´t. Although, you have to be extra cautious as the risks increase, there is no reason why you should not enjoy your pregnancy. Get the required prenatal tests done and maintain a healthy routine throughout your pregnancy, study the pregnancy wheel for the different pregnancy stages, and all will be great.

Source:
http://www.americanchronicle.com/articles/52340


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Wednesday, January 9, 2008

The risks - and rewards - when motherhood begins at 40

Wednesday, January 9, 2008
GEENA DAVIS did it. So did Emma Thompson and Susan Sarandon. Now, Nicole Kidman is joining the swelling ranks of women who have their first baby after the age of 40.

Only a century ago the average life expectancy for women was about 50, so a 35-year-old would have been an ageing matriarch with grandchildren in tow. But now one in seven babies in Australia is born to a woman older than that as thousands hit the snooze button on parenting.

Maturity can bring a satisfying career, a healthy bank balance and a well-rounded sense of self, but women who become pregnant later in life also have a much greater risk of miscarriages, ectopic pregnancies and stillbirths.

Older women are also more likely to have induced labour, epidural anaesthesia, forceps or vacuum deliveries, and caesarean sections. They have a one in 100 chance of having a child with chromosomal abnormalities such as Down syndrome.

A fertility specialist with IVF Australia, Michael Chapman, said yesterday that women aged 40 to 45 had a one in four chance of miscarrying. "Age and the miscarriage rate are linked because the older a woman gets, the older her eggs get. They become more fragile with age and have abnormalities, which can lead to miscarriage or disorders such as Down syndrome."

He said pregnant women in their 30s and 40s had a greater risk of hypertension and gestational diabetes, which often required intervention during labour. One study showed that first-time mothers older than 40 were 14 times more likely to have a caesarean than those under 30.

"Most obstetricians encourage older women to have a caesarean section because their muscles are weaker and their tissues are less elastic," Dr Chapman said.

But the secretary of the NSW Midwives Association, Hannah Dahlen, said yesterday, women should not be deterred.

"Older mothers are more likely to be educated and financially secure, more settled in themselves and more prepared to make the sacrifices required to be a mother," she said. "They are better able to negotiate care for their child, their children often do better in school, and it has also been shown in some studies that women who have babies in their 40's live longer."

Source: http://www.smh.com.au/news/health/the-risks--and-rewards--when-motherhood-begins-at-40/2008/01/08/1199554655649.html

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Friday, December 28, 2007

Pregnancy at a Later Age

Friday, December 28, 2007
Define "A Later Age"
Women who become pregnant when they are 45 or older are considered to be above the "normal" age range of pregnant women. However, the "normal" age range is in the process of changing now, as more and more women are opting to get their careers going before they try to start a family.
The Risks
If one looks at the raw statistics, the rates of many of the complications of pregnancy go up in older women. Preeclampsia (a common pregnancy syndrome, characterized by high blood pressure), premature delivery, maternal, fetal, and newborn death, and placenta previa (the incorrect placement of the placenta inside the uterus) are more common, to name a few.

From a practical perspective, there is more than overall statistics to look at. First, the rates of most complications are rather low. Therefore, an increase may not be much to get all worked up about. Even an increase double or triple the rate of the 25 year old population still means the absolute risk is low. For example, if the rate of something is one in a million at 25, and the risk is (gasp) ten times that at 45, then the risk is one out of 100,000. Not something to loose sleep over. Secondly, the reason more older women have complications during pregnancy is not all due to age. It is closely related to the increased rates of complications and diseases and problems as we age. Older women are simply more likely to have a medical problem to begin with. Pregnancy is a major strain on the heart and blood vessels, and in turn, on all the organs in the body. Nearly any pre-existing condition will be worsened during pregnancy and make a more difficult pregnancy.

Like many age-related correlations in medicine, the risk depends on things that happen to us over time, not just age itself. Older mothers are more likely to have had other children. Some of the complications, like the placement of the placenta over the cervix, are more likely in women who have had many prior pregnancies. An older mom is one who has had more time to have had gynecological procedures, problems, and diseases that may change her organs in ways that make complications more likely. Older women tend to release more than one egg a month, leading to higher rates of twins. Twin pregnancies increase the risk of complications, in younger and older moms. In short, it is more important to look at the woman's medical history, and the pregnancy itself, rather than at the woman's age.

Most importantly, is the practical significance even if one has a complication. With good pre-natal care and appropriate medical intervention, most complications can be corrected. Most pregnancies will end with a healthy baby.

Some critics discourage older women from having kids, because they may die before the children are grown. With increased life expectancies today, you are more likely to live until this child reaches adulthood, than a 25 year old mom was, a century ago.

Talk to Your Doctor
You should plan ahead when starting a family. Talk to your doctor about your specific health status to determine if your high-risk status would be merely due to your age or if there would be other complicating factors.

Source:
http://www.estronaut.com/a/pregnant_older.htm

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All the stories, divided by age, 1st pregnancy & high FSH!

"In 2005, there were more than 104,000 births in the United States to women ages 40 through 44, and over 6,500 to women 45 and older. In 2004, there were 1,786 live births to women over 42, using donor eggs."

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Wednesday, December 12, 2007

New strategy could benefit both patients and the infertility industry

Wednesday, December 12, 2007
A government agency that regulates UK fertility clinics has called for a national strategy to reduce the number of multiple births that occur after fertility treatment. One way of reducing multiple births is to reduce the administration of fertility drugs, which would drive down sales volume. However, this could result in more IVF cycles and may ultimately lead to higher revenues in the sector.

The Human Fertilization and Embryology Authority (HFEA), a governmental authority that regulates and inspects all UK fertility clinics that provide assisted reproductive technology (ART), has called for a national strategy to reduce the number of multiple births that occur after fertility treatment. Almost 40,000 British women will have infertility treatment in 2007, and more than a quarter of in vitro fertilization (IVF) conceptions result in multiple births, which are far more likely to result in premature or other forms of problematic births.

The potential negative consequences of multiple births

Many assisted pregnancies have led to multiple births following excessive follicular stimulation in ovulation induction cycles and multiple embryo transfers, which are practiced in order to increase the chances of success. European and US registries of assisted reproduction indicate that 25% of IVF and intracytoplasmic sperm injection (ICSI) cycles result in twins and another 3-5% result in higher order multiple pregnancies. In addition to the potentially fatal ovarian hyperstimulation syndrome (OHSS), multiple pregnancies have been associated with a statistical increase in maternal risk for obstetric complications, congenital malformations and long-term neurological conditions, and lower gestational age and birth weight.

The wider implications of multiple births must also be considered. The healthcare costs of neonatal and delivery services are increased for multiple pregnancies and the pressure of raising more than one child can generate familial complications of a psychological, social and financial nature which are further exacerbated by disability.

These concerns over mother and baby safety have seen a move towards milder stimulation protocols in recent years and Datamonitor predicts that this trend is set to continue. Shorter stimulation protocols involve a gonadotropin-releasing hormone (GnRH) antagonist co-treatment with a low-dose gonadotropin and single rather than multiple embryo transfer. The HFEA has announced that they expect multiple birth rates to fall so that they account for just 10% of all IVF pregnancies and have called on professional bodies to develop an all-encompassing, national strategy to ensure this prediction is met. Work on these guidelines is due to begin immediately and with the first discussion scheduled in February 2008, change for the UK infertility market is imminent.

Winners and losers

There are around 80 clinics in the UK that offer some form of infertility treatment. While 30% are NHS practices, private patients can also be treated there. The market is boosted by partial reimbursement of treatment, making assisted reproductive technology (ART) accessible to more than just the very wealthy. Datamonitor estimates that in 2007, 38,000 British women were willing and able to have infertility treatment and based on this, forecasts the UK infertility drug market to be worth around $95 million. Additionally, Datamonitor forecasts the seven major markets (the US, Japan, France, Germany, Italy, Spain and the UK) combined to be worth $3.5 billion in 2007, the majority of which is generated by three large pharmaceutical companies: Ferring, Merck Serono and Organon.

A reduction in the number of multiple births will have several impacts on current treatment cycles. The transfer of a single embryo is likely to be enforced and the use of mild stimulation protocols is likely to become more widespread. Market players will feel the result of a reduction in the administration of gonadotrophins as a reduction in sales volume. However, the shorter stimulation protocol and the transfer of a single embryo may allow more IVF cycles to be conducted within the same period of time as conventional treatment. More cycles will require more drugs and with careful management of pricing and reimbursement strategies, revenue may even increase.

A key consideration in this debate is the infertile couples themselves. For some, the desire to conceive may be so great that they are willing to risk the complications of a multiple pregnancy. Others will prefer the safer, faster and less expensive mild stimulation protocol, and the ethics of removing a patient's choice must be considered. In Belgium, as a result of savings made in reducing multiple births, a reimbursement system has been funded which allows couples six IVF/ICSI cycles in a lifetime. Results the first year after implementation show an increase in the total number of treatment cycles is advantageous for the industry and patients alike.

Other market forces

As infertility treatment becomes more accessible, the improving success rates of IVF treatment across key markets will continue to boost the number of cycles initiated. As a European expert told Datamonitor: "As IVF becomes a more standard procedure, the more confident we become that these children are doing well, the more it will be liberally employed."

Additionally, a range of embryological techniques, such as in vitro maturation, cryopreservation and microarrays are currently being refined and will rapidly expand the treatable patient population as all women with the intention of preserving and protecting embryos will be eligible for treatment, not just those that are infertile. The trend towards later parenthood will also increase the number of women eligible for infertility treatment. Given these factors, growth of the infertility market looks certain. With careful monitoring of the regulations called for by the HFEA, the trend towards single births has the potential to benefit both the patient and infertility industry while delivering the ultimate goal, a much desired, healthy child.

Source:
http://www.pharmaceutical-business-review.com/article_feature.asp?guid=60991E20-1D6E-4209-A71A-D99DC3CF843E

Stories of Pregnancy & Birth over 44y
- Daily blog of hope & inspiration!

4,200 Stories of Pregnancy & Birth over 44y
All the stories, divided by age, 1st pregnancy & high FSH!

"In 2005, there were more than 104,000 births in the United States to women ages 40 through 44, and over 6,500 to women 45 and older. In 2004, there were 1,786 live births to women over 42, using donor eggs."

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Tuesday, October 9, 2007

Interesting Facts

Tuesday, October 9, 2007
DID YOU KNOW?

A normal couple (of any age) has a 25% chance of conceiving a baby every month.

There is only a 5 - 7 days window in which intercourse is most likely to result in pregnancy.

Some women are said to have claimed to be able to feel the egg being released.

About 80% of healthy couples are able to achieve pregnancy, within a year of cohabitation.

Folic acid is very important in preventing brain and spinal cord defects. Lack of folic acid may result in severe birth defects.

Soaking in a hot tub could hurt the unborn baby in the first trimester of pregnancy. Research has shown that high heat either from a fever, a hot bath or a hot tub during the first 3 months of pregnancy may cause birth defects.

Pregnant women should not clean a cat litter box. Cat litter may contain a parasite that can spread a disease called toxoplasmosis.Toxoplasmosis can cause birth defects like blindness and brain damage.

Cat litter is otherwise harmless, and does not affect children or adults.

Eating raw or undercooked red meat or handling dirt containing cat feces can also lead to toxoplasmosis.

An average woman gains 25 to 35 pounds during pregnancy.

An overweight woman stands to gain 15 to 25 pounds during pregnancy.

An underweight lady may gain 28 to 40 pounds during pregnancy (depending on her pre-pregnancy).

If you have a multiple pregnancy (twins, triplets or more): see your health care provider. The weight gain will be greater in case of twins or multiples.

Calcium is vital for the smooth functioning of the body. Steady levels of calcium are needed in the blood. The body takes calcium from the bones if there is a lack of calcium in the diet. Over a period of time this leads to the weakening of the bones and subsequent osteoporosis.

The low lying placenta that covers part or all of the inner opening of the cervix is called as 'Placenta previa'. This might cause maternal hemorrhage before or during labor.

The delivery of the baby through a surgical incision in the abdomen and uterus is called a cesarean section, or c-section. The American College of Obstetricians and Gynecologists has reported that one out of every fourth baby is delivered by a cesarean section.

Preeclampsia is a pregnancy-induced condition. It is hypertension (high blood pressure), usually accompanied by proteinuria. It can prove a serious medical concern for both mother and child.

Source:
http://www.allaboutpregnancysymptoms.com/ebook/chap3_1.htm

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Thursday, September 20, 2007

Baby scans: do we need them?

Thursday, September 20, 2007
For many women, the scan which shows their unborn squirming, kicking and sucking its thumb is one of the important milestones of pregnancy.

For the vast majority it provides reassurance that all is well, and it enables parents to prepare if all is not.

But an eminent ultrasound specialist is determined to kickstart a debate on the value of the scan within an NHS increasingly strapped for cash.

In a paper published in Ultrasounds this week, retired Dr Hylton Meire not only argues there is no scientific evidence to prove the 20-week scan is worthwhile, he also casts doubt on the reliability of the principal method of testing for Down's Syndrome - the nuchal fold measurement.

These tests do not give a yes or no answer to whether a baby has Down's, but an indication of risk. Those deemed to have a higher possibility are offered an amniocentesis, where a needle is inserted into the womb to give a much more accurate analysis.

Every amniocentesis carries a small risk of miscarriage, so women who are not carrying a disabled foetus in the first place can end up losing a perfectly healthy baby.

Using various figures, Dr Meire, formerly of King's College Hospital, calculates that as many as 3,200 healthy babies are lost in this way each year.

For every 50 live births of children with Down's Syndrome prevented, he says 160 women miscarry non-affected babies.

'Muddled measurements'

Dr Meire has reservations about aborting babies with Down's Syndrome in the first place, and admits this forms part of his hostility to testing for the condition.

The nuchal fold test involves measuring the fluid at the back of the neck of an 11-13 week old foetus.

Babies with abnormalities tend to accumulate more fluid at the back of their neck during the first three months after conception, causing this clear space to be larger than average.

Age of the mother is one of the factors taken into account when risk is being calculated, and many hospitals also carry out blood tests to give an even more accurate picture.

Low risk is a result where the chances of having a baby with Down's syndrome is less than one in 800, while high risk is anything greater than one in 300.

Dr Meire argues that blood tests notwithstanding, the test is hugely problematic because of the difficulties of measuring anything accurately on a blurry ultrasound screen.

"Women are being referred on to amniocentesis on the basis of a very flimsy test," he says.

"And I think they need to understand just how inaccurate it can be."

Jane Fisher from Antenatal Results and Choices (ARC) says Dr Meire does have a point, but that most parents are all too aware the test is fallible.

Weighing up the various risks - a one in 200 chance of carrying a child with Down's syndrome against a one in 200 chance of miscarrying after an amniocentesis - is an immensely difficult decision.

"The problem is Dr Meire wants absolutes," she says.

"The technology isn't there to provide that yet, and in the absence of it, we have to make do with what there is. But of course counselling is important, and a proper discussion about what the risks are."

Spending money

In any event, ARC stresses that screening now means fewer older mothers have an amniocentesis as a matter of course, as was the case all the way up until 2001 when the scans became available nationally.

The test is offered in around three quarters of hospitals, but not necessarily to all women. Older women are at greater risk of having a child with Down's Syndrome, and some hospitals only screen those over the age of 35 or even 38.

But the vast majority of women in the UK - 95% - are offered the 20 week anomaly scans which Dr Meire also targets in his paper.

Costing between £25 and £50 a go, the specialist says there is no evidence to prove they are worth the money.

"There's no data that shows - in regard to children living or dying or succumbing to serious illness - that these scans have any effect in population terms. No-one has been able to prove otherwise," he says.

"We need to really think about why we do these, and the money we spend on them, and ask ourselves if it's really worthwhile."

Conditions detected at 20 weeks include serious problems such as heart defects, as well as more minor conditions like cleft palate.

Obstetrics consultant Patrick O'Brien says it is very important to know in advance if a child has heart defects, as it means preparations can be made for delivery in a specialist unit if need be.

But he concedes that viewed at the level of pure statistics, it is possible to argue that scans only benefit a small minority of people. Often parents learn information which they do not necessarily need to know before the birth.

But while finding out a child is to be born with a cleft palate may not be necessity, learning through a scan means parents can be prepared for what can be a huge shock at delivery.

"They are shown pictures of what can be done and understand how easy it is to treat," says Mr O'Brien.

"I certainly wouldn't want to go back to the pre-scan days when horrified parents simply shunned the child when it was born."

"But sometimes you've also got to look at things from an individual perspective, and what it means for the parents.

"Maybe the pure joy of parents seeing their unborn child is something that's worth paying for."

Source: http://news.bbc.co.uk/1/hi/health/6948015.stm

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Saturday, July 28, 2007

IVF Kids 'Should Be Monitored Into Adulthood'

Saturday, July 28, 2007
The health of babies born through IVF treatment should be monitored well into adulthood, warns new research.

The risks of complications both during and after pregnancy are significantly higher for test tube infants than naturally conceived children.

Not enough is known about the consequences of in-vitro fertilisation (IVF) and intracytoplasmic sperm injection, and these children require many years of follow up to fully understand them.

Previous research has suggested children born by these assisted reproduction techniques (ART) are more likely to develop illnesses, including cancer.

Dr Alastair Sutcliffe, of the Institute of Child Health at University College London, said: "Long term follow up of children born after ART to reproductive age and beyond is necessary."

Dr Sutcliffe and Dr Michael Ludwig, of the Centre for Reproductive Medicine and Gynaecologic Endocrinology in Hamburg, reviewed data published between 1980 and 2005 on IVF and intracytoplasmic sperm injection and used 3,980 articles to compile their analysis.

They found the biggest risk for ART is that multiple births may occur, but a number of other risks are also evident from ART techniques.

Miscarriages are between 20 and 34 per cent higher, possibly because ART couples are generally older and also due to endocrine disorders, organic abnormalities and the degree of ovarian stimulation.

For couples using ART, the risk of pre-eclampsia occurring is increased by 55 per cent, while there is also an increased risk of still birth (155 per cent), low birthweight (70 to 77 per cent) very low birthweight (170 to 200 per cent), or the baby being small for gestational age (40 to 60 per cent increased risk).

Risk of major malformations is 30 per cent higher in babies born to ART couples, regardless of the technique although the absolute risk is still small.

And there is also a higher risk of cerebral palsy in children born to ART couples, partly because of the risk associated with increased premature birth and partly because some twin pregnancies undergo early miscarriage of one of a sibling which is associated with an added risk of cerebral palsy.

But mentally, babies born full term after ART progress healthily in relation to naturally conceived children, and there are no concerns about family relationships and psychological issues afterwards.

Dr Sutcliffe said: "Some of the risks to children born after ART do not arise as a result of the techniques but from the background biology of the subfertile couple.

"Many unknowns exist about the health of children conceived after ART as they grow, which remain to be fully addressed."

The researchers, whose findings are published in The Lancet, focussed mainly on ART single births since multiple ones bring with them their own set of confounding complications.

Added Dr Sutcliffe: "In-vitro fertilisation has been done for nearly 30 years; in developed countries at least 1% of births are from ARTs. These children now represent a substantial portion of the population but little is known about their health."

The researchers said there are several points for consideration when counselling couples seeking treatment for infertility

Source: http://www.lse.co.uk/ShowStory.asp?story=ZX2740203R&news_headline=ivf_kids_should_be_monitored_into_adulthood

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