Menstrual disorders after taking emergency contraceptives need to be considered whether they are caused by contraceptive failure, or endocrine disorders. We need to judge according to the specific symptoms, and if necessary, we can go to the hospital for consultation. Common causes and treatment 1. Contraceptive failure: If delayed menstruation occurs after taking the pill and there is no menstrual flow, you need to consider the possibility of contraceptive failure and conception already. You can test by blood HCG, early pregnancy test paper to determine whether you are pregnant or not. If pregnancy is confirmed, 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 lot of estrogen and progesterone, which will have a greater impact on the female endocrine system, causing endocrine disorders and early or delayed menstruation. You should go to the hospital and adjust your menstrual cycle by taking progesterone orally under the guidance of your doctor. Caution Oral emergency contraceptive pills can be more damaging to a woman’s body. If you are not preparing for pregnancy, you need to try to use contraception 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 pill to your body.