Late menstruation should be considered as pregnancy and endocrine disorders. It is normal for menstruation to be delayed for a week after or after an early period. If you have had regular menstruation, if you have recently had sex without contraception or if contraception has failed and your period is delayed, it is more likely that you are pregnant. Take an early pregnancy test, it is more accurate to take the early morning urine, which shows two red bars indicating pregnancy and a single bar is negative to exclude pregnancy. When mental stress or gynecological diseases are too great, it is easy to cause endocrine disorders, resulting in delayed menstruation, adjust your mind and relax your spirit. If there is no improvement, it is recommended to go to the hospital early for examination and take oral menstrual regulating or hormonal drugs, which must be used under the guidance of a doctor.