If you’ve ever experienced irregular bowel movements during your period, you’re not alone. Your menstrual cycle can lead to symptoms like bloating, cramping, and changes in your bowel movements. Many people experience diarrhea while on their period (commonly known as “period poops”). We spoke to doctors about what causes the phenomenon and how best to manage stomach-related issues associated with your menstrual cycle. [time-brightcove not-tgx=”true”] What causes “period poops”? In the week or two leading up to your period, it’s not uncommon to experience constipation and bloating.