Menstruation is nature's way of letting a woman know that she's not pregnant. However, under certain conditions, it is possible to become pregnant if you have sex during your period. Hear an ob-gyn explain how this might happen.
Jeannette Lager, M.D., MPH, is an assistant professor in Obstetrics, Gynecology, and Reproductive Sciences at UCSF. Passionate about developing our future healthcare leaders, Dr. Lager is the director of Medical Student Education and the clinical clerkship director for obstetrics and gynecology at the School of Medicine.
