If your period is delayed for a week without coming, you need to go for a checkup. In the case of women who have a normal sexual life, the first thing to do is to do a pregnancy-related test to see if there is a possibility of pregnancy, because the most common cause of delayed menstruation in women is related to pregnancy. It is recommended to do a urine test paper test or directly draw blood for chorionic gonadotropin. If the test result indicates a significant increase in the value, pregnancy is considered. In addition to pregnancy, irregular life, overwork, dieting, weight loss, poor nutrition, as well as mood swings, environmental changes and mental stress may also affect menstruation and lead to delayed menstruation, so it is also necessary to make adjustments from lifestyle habits. If the delay is too long, it is recommended to check the ovarian function and also the thickness of the endometrium, and if necessary, medication should be used to regulate it.