Weight loss 'only has modest effects on reproductive function'

19 October 2012

Losing weight does not result in women improving their fertility, new research from Penn State College of Medicine has suggested.

Scientists from the institute studied 29 morbidly obese women of reproductive age for up to two years after they had undertaken Roux en Y gastric bariatric bypass surgery.

The operation in question creates a small pouch in the stomach that is directly linked to the midsection of the small intestine.

Upon collecting daily urine specimens during the study period, the researchers found that ovulation rates remained high in the obese women analysed.

Quality of the ovulation was also unchanged, while there was little effect recorded on the ovarian cycle.

"The effects of weight loss on reproductive function are more modest than we hypothesised. In terms of ovulation, there doesn't appear to be a window after surgery where fertility is improved," noted Richard Legro, professor of obstetrics and gynecology at Penn State College of Medicine.

Posted by Jeanette Royston

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