Semaglutide was linked to changes in women’s periods — including heavy bleeding and missed ovulation

The useful part

Women taking GLP-1 medications sometimes report that their menstrual cycles change, but research examining those experiences has been limited. Tirzepatide also produced signals for some menstrual changes, but the pattern was narrower. Liraglutide, another GLP-1 medication, did not produce significant signals in the analysis.

How it works

• Instead, they identify patterns strong enough to warrant more research and greater attention to menstrual health when these medications are prescribed to women of reproductive age.
• Researchers analyzed reports involving women and girls ages 12 to 55 Researchers used the FDA Adverse Event Reporting System, commonly called FAERS, and examined reports involving female […] The post <a...
• The findings do not establish that any of these drugs caused the menstrual changes.

Details worth keeping

A new analysis of reports submitted to the FDA has now identified several menstrual events that appeared disproportionately often with semaglutide, including heavy bleeding, bleeding between periods, menstrual clots, infrequent periods and cycles in which ovulation did not occur.