by: ASRM Office of Public Affairs
Published in ASRM Bulletin Volume 15, Number 42
Today, the U.S. Centers for Disease Control and Prevention released its Assisted Reproductive Technology Surveillance Summary for 2010.
In 2010, a total of 147,260 ART procedures were reported to the CDC and they resulted in 47,090 live-birth deliveries and 61,564 infants, or 1.5 % of U.S. births. The largest numbers of ART procedures were performed among residents of California, New York, Illinois, Massachusetts, New Jersey and Texas.
Nationally, among cycles in which at least one embryo was transferred, the average number of embryos transferred increased with increasing age (2.0 among women aged <35 years, 2.4 among women aged 35–40 years, and 3.0 among women aged >40 years). Elective single-embryo transfer (eSET) rates decreased with increasing age (10.0% among women aged <35 years, 3.8% among women aged 35–40 years, and 0.6% among women aged >40 years).
The report recommends that reducing the number of embryos transferred per ART procedure among all age groups and promotion of eSET procedures, when clinically appropriate, is needed to reduce multiple births, including twin births, and related adverse consequences of ART. Further, the report suggests improved patient education and counseling on the risks of twins might be useful in reducing twin births because twins account for the majority of multiples. Although ART contributes to increasing rates of multiple births, it does not explain all of the increases, and therefore the possible role of non-ART fertility treatments warrants further study.
A copy of the report can be found at http://www.cdc.gov/mmwr/preview/mmwrhtml/ss6209a1.htm?s_cid=ss6209a1_e
Also published this week is an article by CDC authors in the New England Journal of Medicine, “Fertility Treatments and Multiple Births in the United States.” See http://www.nejm.org/doi/full/10.1056/NEJMoa1301467
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