15 days after menstruation ends bleed and how does small abdomen ache return a responsibility

Fifteen days after the end of the female menstrual period should be in the ovulation period, if there is a small amount of vaginal bleeding and accompanied by mild abdominal pain, consider it is caused by ovulation bleeding, do not need intervention. But if the amount of bleeding is large, and the pain is more serious, need to consider cervicitis, corpus luteum deficiency and other diseases caused.