Bleeding during ovulation is related to changes in hormone levels in the body, and may make a woman pregnant after intercourse, but not absolutely. When a woman reaches the stage of ovulation, the body’s estrogen level reaches a certain amount to stimulate the pituitary gland to secrete follicle-stimulating hormone and luteinizing hormone, which will produce a peak ovulation, the follicle will soon ripen and rupture to be discharged. After the follicle ruptures and is discharged, it will cause fluctuations in the levels of estrogen and progesterone in the body, causing irregular vaginal bleeding after the endometrium is stripped, and the amount of bleeding is usually relatively small. Ovulation bleeding is generally physiological reasons, there are mature follicles discharged after the arrangement of intercourse, women’s chances of pregnancy is relatively large, but not absolutely will be pregnant successfully. The amount of bleeding during ovulation is small and should be observed first, while the amount of bleeding is large and should be examined by a doctor in time.