The occurrence of menstrual disorders after taking emergency contraceptive pills needs to be considered whether it is caused by contraceptive failure, or endocrine disorders. It is necessary to judge according to the specific symptoms, if necessary, go to the hospital. Common causes and treatments 1, contraceptive failure: If the menstrual period is delayed after taking the pill and there is no menstrual period, it is necessary to consider the possibility that contraception has failed and that conception has occurred. You can test through blood HCG, early pregnancy test paper to determine whether you are pregnant. If you confirm that you are pregnant, you need to go to the hospital to consult the doctor whether you can continue the pregnancy; 2, endocrine disorders: emergency contraceptive pills contain a large number of estrogen and progesterone, which will have a greater impact on the female endocrine system, resulting in endocrine disorders, menstruation early or delayed phenomenon. You should go to the hospital and adjust your menstrual cycle by taking oral progesterone or other means under the guidance of your doctor. Precautions Oral emergency contraceptive pills have greater damage to women’s bodies, if you are not preparing for pregnancy, you need to try to prevent pregnancy by using condoms. If you are already taking emergency contraceptive pills, you need to adjust your lifestyle and diet to minimize the damage caused by the pills.