Photo by ejaycruz
It's time to update this quote:
"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."
Checking the 2007 birth stats today at the
CDC and I found:
All races and origins40–44 years................. 105,071 live births
45–54 years................ 7,349 live births
Next I went to
SART, who has the 2007 IVF and Donor Egg rates in the US:
Fresh Embryos From Non-Donor Oocytes
Number of cycles : (40-42) 8,865 (43-44) 5,749
Percentage of cycles resulting in live births : (40-42) 11.7 (43-44) 4.6
Total live births : (40-42) 1,037.2 (43-44) 264.5
TOTAL (40-44) : 1,301.7
Thawed Embryos From Non-Donor Oocytes
Number of transfers : (40-42) 1,043 (43-44) 652
Percentage of transfers resulting in live births : (40-42) 20.7 (43-44) 14.6
Total live births : (40-42) 215.9 ( 43-44) 95.2
TOTAL (40-44) : 311
Total number of women conceiving from IVF (non-DE) (40-44) : 1,613
Donor Oocytes (all ages)
Number of transfers : (Fresh Embryos) 9,575 (Thawed Embryos) 5,087
Percentage of transfers resulting in live births : (Fresh) 55.2 (Thawed) 31.7
Total Live Births : (Fresh) 5,285.4 (Thawed) 1612.6
TOTAL births by Donor Egg (all ages) : 6,898
Number of live-birth deliveries resulting from ART cycles started in 2006: 41,343
How old were the women who used ART in the United States in 2006?
Figure 3: The average age of women using ART services in 2006 was 36. The largest group of women using ART services were women younger than 35, representing 39% of all ART cycles carried out in 2006. Twenty-three percent of ART cycles were carried out among women aged 35–37, 19% among women aged 38–40, 10% among women aged 41–42, and 10% among women older than 42.
Number of live-birth deliveries to women using ART older than 42 in 2007: 4,134
How did the types of ART cycles used in the United States in 2006 differ among women of different ages?Figure 4 shows that, in 2006, the type of ART cycles varied by the woman’s age. The vast majority (96%) of women younger than 35 used their own eggs, whereas only 4% used donor eggs. In contrast, 21% of women aged 41 to 42 and more than half (55%) of women older than 42 used donor eggs. Across all age groups, more ART cycles using fresh eggs or embryos were performed than cycles using frozen embryos.
Number of live-birth deliveries to women using Donor Egg older than 42 in 2004: 2,274
So the updated quote becomes:
"In 2007, there were more than 105,000 births in the United States to women ages 40 through 44, and over 7,349 to women 45 to 54. In 2007, there were 2,274 live births to women over 42, using donor eggs."
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