Bleeding as soon as norethindrone tablets are stopped is usually normal. Norethindrone tablets is a kind of progestin preparation, after taking it can make the endometrium occur endocrine phase reaction, after stopping the drug body progesterone level drop, it will lead to endometrial stripping occurred withdrawal bleeding, similar to the menstrual period, so after stopping the drug within 1 week bleeding is generally a normal phenomenon. During the bleeding period, you should pay attention to rest, do not do strenuous exercise, pay attention to rest, do not stay up late. If bleeding does not occur 1 week after stopping the drug, we should be alert to the occurrence of pregnancy, ovarian hypoplasia, at this time, we recommend that the patient go to the gynecology department of a regular hospital, improve ultrasound, sex hormones and other related examinations, to clarify the cause of the disease under the guidance of the doctor to actively treat.