Abdominal pain during ovulation may be already ovulated, or it may be due to gynecological inflammation, caused by hormone level stimulation during ovulation. 1. already ovulation: when ovulation, due to the follicular rupture of the follicular fluid into the female pelvic cavity, which occurs in the peritoneum stimulation leading to the phenomenon of abdominal pain, generally this pain is relatively mild, does not affect the normal work and study, no need for treatment. 2. Gynecological inflammation: women themselves have pelvic inflammatory disease, when ovulation, due to the rise in hormone levels, pelvic congestion caused by inflammation symptoms aggravated and caused by one side of the abdomen or both sides of the hidden pain phenomenon, may be accompanied by a large amount of leukorrhoea, odor and other phenomena. Ovulation abdominal pain, it is best to go to the hospital, the doctor according to the specific circumstances, to develop individualized diagnosis and treatment plan, to avoid delaying the condition.