Add Yahoo as a preferred source to see more of our stories on Google. A 27-year-old TikToker went viral for going through 'menopause': What is primary ovarian insufficiency (POI)? (Photos via ...
Primary ovarian insufficiency (POI) is a condition that occurs when a person stops ovulating regularly before the age of 40 years. It causes irregular or absent menstrual periods, which can make it ...