Photo by ejaycruz
It's time to update this quote:
"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."
Checking the 2008 birth stats today at the
CDC and I found:
All races and origins40–44 years................. 106,090 live births
45–54 years................ 7,666 live births
TOTAL (40-54) : 113,756 live births
Next I went to
SART, who has the 2008 IVF and Donor Egg rates in the US:
Fresh Embryos From Non-Donor Oocytes
Number of cycles : (40-42) 9,243 (over 42) 6,152
Percentage of cycles resulting in live births : (40-42) 12.3 (over 42) 4.1
Total live births : (40-42) 1,136.89 (over 42) 252.23
TOTAL (over 40) : 1,389
Thawed Embryos From Non-Donor Oocytes
Number of transfers : (40-42) 1,194 (over 42) 920
Percentage of transfers resulting in live births : (40-42) 19.2 (over 42) 13.2
Total live births : (40-42) 229.25 (over 42) 121.44
TOTAL (over 40) : 351
Total number of women conceiving from IVF (non-DE) (over 40) : 1,740
Donor Oocytes (all ages)
Number of transfers : (Fresh Embryos) 9,905 (Thawed Embryos) 5,319
Percentage of transfers resulting in live births : (Fresh) 55.0 (Thawed) 32.7
Total Live Births : (Fresh) 5,447.75 (Thawed) 1,739.31
TOTAL births by Donor Egg (all ages) : 7,187
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 2006: 4,134
How did the types of ART cycles used in the United States 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 2006: 2,274
Link to previous update.
So the updated quote becomes:
"In 2008, there were more than 106,000 live births in the United States to women ages 40 through 44, and 7,666 live births to women 45 to 54. In 2006, there were 2,274 live births to women over 42, using donor eggs."
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In 2010, the CDC reported that the only age group in the United States to show a RISE in birth rate were women over 40.
