Ovulation bleeding clinically indicates that ovulation has occurred, mainly because at the time of ovulation the estrogen and progesterone in the body decline, so that the endometrium temporarily lost the support of estrogen and progesterone. This is why endometrial withdrawal bleeding occurs in the clinic, which is relatively small in amount and clears up on its own in 3-5 days. Clinically, if bleeding occurs during ovulation, ovulation will not occur again, because clinically under normal circumstances only one egg is discharged in a month, so if ovulation occurs again, it is only until the next menstrual cycle that ovulation will occur again. So in the clinic for ovulation bleeding or to give intervention, otherwise because of vaginal bleeding can not cohabit to affect the pregnancy, it is recommended in the twelfth day of menstruation oral supplement Jiale to give treatment, once a day to eat, once to eat half a tablet, take seven consecutive days.