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Journal Nook

Elevated prenatal anti-Müllerian hormone reprograms the fetus and induces polycystic ovary syndrome in adulthood
This study created a fair bit of buzz in the news and across social media in May suggesting hormone exposure in the womb may be a cause of PCOS, and a gonadotrophin-blocking treatment, cetrorelix, could be used to treat and prevent PCOS . New research from France suggests PCOS may develop in women who were exposed to elevated levels of AMH in-utero. They found pregnant women with PCOS had higher levels of AMH than normal. The elevated AMH seems to trigger a maternal neuroendocrine driven testosterone excess and decreases the placental metabolism of testosterone to estradiol, leading to masculinization of the exposed female fetus. Given PCOS tends to run in families, this explanation could make sense. In this study, pregnant mice were injected with the antimüllerian hormone (AMH), to mimic the hormonal imbalance they observed in the women with PCOS. Sure enough, after injection of the mothers, the next generation of female mice developed symptoms that are very similar to PCOS – such as elevated testosterone levels and disrupted ovulation. The team noted it is planning on looking at how hormones such as testosterone, regulated during pregnancy, affect their offspring.

Of course this study was done on mice, so we don’t yet know the same thing happens in women, and although we know gonadotrophin hormones are often raised in women with PCOS, blocking these hormones can help manage some symptoms but may not necessarily mean a cure. The drug suggested, which is commonly used in IVF, would prevent ovulation altogether so we don’t know the affect this would have on fertility.

September RRM Bulletin: Updates, News and Research

Disclaimer The material presented here is for educational purposes only. Please note that medical information is constantly changing; the information contained in this activity was accurate at the time of publication. This material is not intended to represent the only, nor necessarily best, methods or procedures appropriate for the medical situations discussed. Rather, it is intended to present an approach, view, statement, or opinion of the institute, which may be helpful to others who face similar situations. We’re sorry, this content is only available to current IIRRM Members.  Please Log In below or click here to become a member of the International […]

August RRM Journal Nook

Disclaimer The material presented here is for educational purposes only. Please note that medical information is constantly changing; the information contained in this activity was accurate at the time of publication. This material is not intended to represent the only, nor necessarily best, methods or procedures appropriate for the medical situations discussed. Rather, it is intended to present an approach, view, statement, or opinion of the institute, which may be helpful to others who face similar situations.   We’re sorry, this content is only available to current IIRRM Members.  Please Log In below or click here to become a member of the […]