Uterus Health More Important Than Egg Quality For Successful IVF
Feb 23, 2011 14:57
A new study finds that in-vitro fertilization (IVF) patients who use donor eggs and their own uterus usually have smaller babies compared to surrogates who carry an infertile woman's embryo. These findings have led doctors to conclude that the uterine environment may play a more important role than egg quality when it comes to having for healthy babies:
Gibbons and colleagues from the Society for Assisted Reproductive Technologies (SART) crunched three years of U.S. data that compared average birth weight and length of gestation for 70,000 single births born as a result of IVF, IVF using donor eggs and IVF with a surrogate. The births were the product of more than 300,000 IVF cycles.
Each diagnosis of female infertility was linked to lower birth weight and shorter gestation, but male infertility didn't impact either marker.
In previous studies, researchers had compared the birth weight babies born via IVF to that of infants conceived naturally. They found that babies born as a result of IVF tended to be delivered prematurely and weighed less.
These findings were reported in the journal Fertility and Sterility.
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