It is normal for menstruation to be delayed for seven days, and if it is more than seven days, you may be pregnant, and you can take a pregnancy test, and when the result is positive, it means that you have conceived. If you are not pregnant, it is related to delayed menstruation and endocrine disorders, and you must undergo a sex hormone six test to regulate it in time so as not to affect normal conception. Menstruation can be affected by many aspects, such as emotions, environment, illnesses, medications, and so on. If you have frequent abortions you will damage the uterus and affect the normal menstrual cycle. Delayed menstruation will seriously affect conception and lead to abnormalities in ovulation, which should be diagnosed and treated in a timely manner, and after delayed menstruation progesterone medication can be taken to stimulate menstruation, but in the event of pregnancy being ruled out. Regulate the eating habits and work and rest routine, keep a calm mind and reduce stress to improve the delayed menstruation.