If you experience light pink bleeding during ovulation, it is likely that you are bleeding during ovulation. Ovulatory bleeding refers to regular vaginal bleeding in the middle of 2 regular periods, also known as ovulation, when ovulation causes a brief drop in estrogen levels and some women’s endometrium loses estrogen support and sheds, resulting in regular vaginal bleeding. Regular menstrual bleeding may occur for a few hours or 2-3 days on days 12-16 of the menstrual cycle, but not for more than 7 days at the longest. The bleeding is significantly less than normal menstrual flow, and the bleeding may stop on its own. Some patients may experience mild lower abdominal discomfort or lower back pain. There may be no other accompanying symptoms, and this condition does not require special treatment.