The pain in the abdomen during ovulation is related to follicular growth and rupture of the follicle, because the follicle will stimulate the pelvic blood vessels in the process of non-stop growth, causing pain in the abdomen. At the same time, after the follicle rupture, the follicular fluid will flow to the pelvic cavity, stimulating the pelvic cavity will also cause pain in the abdomen, usually lasts for about three days, will not last too long, you can mainly to observe. Ovulation bleeding is due to the increase and decrease of estrogen level, will produce a certain rupture of the endothelium, will cause a small amount of ovulation bleeding, usually exists for 3-7 days will end, once in a while can not be given treatment. However, there are some women who have intercourse during ovulation, and if they are overstimulated during intercourse, it can also cause follicle rupture or contact bleeding. This situation needs to go to the hospital for examination to avoid the chance of gynecological diseases.