Certain conditions may also exacerbate the situation. Some women who have a retrovated uterus, for example (which is not dangerous and requires no intervention) have more intestinal problems because the uterus grows on the large intestine. If your period triggers bloody diarrhea or abdominal pain so severe that you can not eat, this can be endometriosis, and you should definitely see your ob-gyn for a checkup.
Viewing an OB-GYN Answering Questions about Vagina:  Source: Michelle Tham Metz, MD, Assistant Clinical Professor of Obstetrics, Gynecology and Reproductive Sciences, Icahn School of Medicine at Mount Sinai in New York
This article appeared in the March 2018 issue of Women's Health. For great advice, get a copy of the newsstand number now!