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.
You may experience ovulation pain before ovulation, during ovulations and even for 1-2 days after ovulation. So it's difficult to say exactly, when after a pain or cramp you are going to ovulate. The most accurate way to detect ovulation or keep track of ovulation, is by using ovulation test kit or ovulation calculator/calendars (for months to keep track of ovulation).