Weight May Affect a Woman's Fertility10/25/10
MONDAY, Oct. 25 (HealthDay News) -- A woman's weight influences
her fertility, two new studies suggest.
In one study, researchers compared Society for Assisted
Reproductive Technology (SART) data on 158,385 menstrual cycles
with the height and weight of women. They found that cycle
cancellation rates became more common with increasing body mass
index (BMI) and that the chances of not becoming pregnant, or
failing to carry a pregnancy to term, rose significantly with
In the other study, researchers at Harvard University and
Brigham and Women's Hospital in Boston examined the quality of eggs
and embryos from women with different BMIs.
Eggs from women with high and low BMIs were more likely than
eggs from normal-weight women to produce immature oocytes during an
assisted reproductive technology (ART) cycle, leading to a lower
likelihood of successful embryo transfer and a lower live birth
The studies were to be presented Monday at the annual meeting of
the American Society for Reproductive Medicine in Denver.
"Clearly a healthy body weight is an important advantage in all aspects of health, including reproductive health," Dr. James Goldfarb, SART president, said in an American Society for Reproductive Medicine news release.
"We are hoping that with better information we can provide better help to our patients whose struggle with infertility includes a struggle with weight," he said.
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