In 2005, over 6,500 births to women 45 & older
"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."
Number of live-birth deliveries resulting from ART cycles started in 2004: 36,760
How old were the women who used ART in the United States in 2004?
The average age of women using ART services in 2004 was 36. The largest group of women using ART services were women younger than 35, representing 41% of all ART cycles carried out in 2004. Twenty-one percent of ART cycles were carried out among women aged 35–37, 19% among women aged 38–40, 9% among women aged 41–42, and 9% among women older than 42.
Number of live-birth deliveries to women using ART older than 42 in 2004: 3,308
Did the types of ART cycles used in the United States in 2004 differ among women of different ages?
In 2004, the type of ART cycles varied by the woman’s age. The vast majority (96%) of women younger than 35 used their own eggs while only 4% used donor eggs. In contrast, 21% of women aged 41 to 42 and more than half (54%) 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: 1,786
Source: http://www.cdc.gov/ART/ART2004/section1.htm
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