Taking the emergency contraceptive pill menstrual disorders, first of all, to avoid taking the pill again, in the short-term menstrual disorders after taking the pill, generally do not need to be treated, pay attention to diet can be. Oral emergency contraceptive pill after menstrual disorders, irregular vaginal bleeding, menstrual time significantly longer, also belong to the normal phenomenon, the general bleeding is relatively small, two or three days will stop, with the disappearance of the effect of contraceptive pills, menstrual disorders will gradually return to normal. Excessive use of emergency contraceptive pills may affect the endocrine function, and even dizziness, nausea, fatigue and other symptoms, long-term may affect the ovaries and the uterus, serious cause abnormal uterine bleeding, may lead to infertility and other symptoms, affecting the normal function of the reproductive system. It is necessary to consult a doctor in time and regulate under the guidance of the doctor. In addition, emergency contraceptive pills should not be taken more than three times a year and not more than once a month. The specific use of emergency contraceptive pills should be under the guidance of a doctor.