Taking a short-acting contraceptive pill to regulate menstruation ovulation bleeding may be normal, is a physiological phenomenon. If it is caused by luteal insufficiency, endometrial polyps and other diseases, it is not normal. To determine whether taking short-acting contraceptive pills to regulate menstruation and ovulation bleeding is normal or not, it needs to be determined on a case-by-case basis, and cannot be generalized. Because taking short-acting contraceptives will raise the body’s estrogen, if you suddenly stop taking the pill, the endometrium will lose the support of estrogen, which will cause withdrawal bleeding, and then there will be ovulation bleeding, which is a normal physiological phenomenon. Besides, if the bleeding is caused by luteal insufficiency, endometrial polyp, submucous fibroid and other diseases, it is abnormal. To sum up, there are many reasons for ovulation bleeding after taking short-acting contraceptive pills to regulate menstruation, and patients need to go to the hospital in time to improve the relevant examinations, identify the specific causes under the guidance of professional doctors, and target treatment.