Physical examination was unremarkable: there was no palpable adenopathy; breath sounds were clear to auscultation bilaterally in all lung fields; there were no appreciable murmurs, rubs, or gallops; there was no organomegaly or tenderness on abdominal examination; there were no appreciable rashes on examination of the skin; and there were no sensory ...
1 Each follicle contains an immature egg (ovum) but only one follicle usually survives to maturity. It is supposed that ovulation pain is caused by the expanding follicle stretching the membrane of the ovary.  Ruptured follicle - when the egg is mature, it bursts from the follicle. This may cause slight bleeding.
About 50% of women experience cramping or other abdominal pain during ovulation. There are other signs of ovulation that women should be aware of if they are tracking their monthly cycle. Ovulation symptoms and cramps can help women pinpoint the times of their cycle when they are the most fertile. Mid-Month Abdominal Pain. While it is not true for all women, most women ovulate in the middle of their cycle, or on day 12 to 14 of a 28 day menstrual cycle.