Obesity not a negative when using donor eggs

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Obesity has no impact on the success of donor egg usage with IVF. For obese women using donor eggs through in vitro fertilization, their chances of becoming pregnant are the same as a normal weight woman. Some studies have shown that obesity is associated with lower chances of pregnancy using IVF, but these studies have generally been limited to women using their own eggs. The new research comes from data about more than 4700 women using donor eggs

Obesity not a factor for success

“Our study suggests that obesity does not significantly affect whether a woman will become pregnant with donor eggs,” explained first author Emily Jungheim, MD, assistant professor of obstetrics and gynecology at Washington University school of Medicine. “This supports the argument that doctors shouldn’t discourage obese women from pursuing treatment if they need donor eggs to conceive.”

Reconsider BMI limits for IVF clients

Many IVF programs through medical clinics have arbitrary body mass index (BMI) requirements which determine whether or not a woman is accepted as a patient. According to Jungheim, these limits need to be reconsidered. “There’s still a lot about obesity that we don’t know when it comes to reproduction,” she stated.

Reproduction a mystery

So for those women in prior studies who had difficulty getting pregnant using their own eggs, what was the problem? Is it some quality in their eggs? Or is the problem in the uterus? Researchers still cannot be sure which, if either, is effected by obesity. For this analysis, obesity was defined as a BMI over 30. BMI was not found to be associated with any difference in pregnancy rates between obese women and women with normal BMI. There were no statistical differences in miscarriage or live birth.

Studies need to continue

“In general, most obese women who want to get pregnant are eventually able to conceive,” Jungheim explained. “We need to find out what specifically goes wrong in obese women who don’t. We think other factors besides BMI are involved. “

Source: MedicalNewsToday, Human Reproduction


 
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