fork4Considering gastric bypass surgery to help lower your risk of heart disease, type 2 diabetes and other complications related to excess weight? Researchers say there may be one more benefit to the procedure: It can help normalize irregular menstrual cycles.

In a new study in the journal Gynecological Endocrinology, researchers studied 13 premenopausal women with longer than normal menstrual cycles (longer than 40 days) or who didn’t menstruate who underwent gastric bypass surgery.

What they found: One year after surgery, 85% (11 of the 13 patients) experienced regular menstrual cycles.

Why the change? Excess weight often leads to excess insulin production and insulin resistance, which impact your body’s hormone production, throwing it out of balance. Gastric bypass helps normalize insulin and reduce insulin resistance, which in turn helps rebalance your hormones.

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Gabrielle Lichterman is a longtime women’s health and lifestyle journalist whose articles have appeared in dozens of major magazines and newspapers around the globe including Cosmopolitan, CosmoGIRL, Glamour, Marie Claire, The New York Daily News and Woman’s World. Gabrielle began developing Hormonology® and the Hormone Horoscope® in 1999 and has been sharing menstrual cycle-related research and tips through her apps, blog, book, newsletter and magazine articles ever since.




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