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.
#1: Cysts On The Ovaries. Ovulation pain is often the sign of cysts on the ovaries. Cysts can form, or can burst, during the ovulation period. Women with PCOS (polycystic ovarian syndrome) often experience ovulation pain due to multiple ovarian cysts. Cystic ovaries are the result of a hormonal imbalance, usually related to insulin resistance.