The day before menstruation

In general, the menstrual cycle is 28-35 days, and it is normal to delay 1 week without worrying. If there is no menstruation for more than 1 week, first consider the possibility of pregnancy, and you can use pregnancy test sticks for pregnancy test; secondly, there may be endocrine disorders. It is recommended to go to the hospital for gynecological treatment and timely treatment.