Women who are not taking any contraceptive measures in the normal state of pregnancy preparation can usually test for pregnancy by means of a pregnancy test after more than one week of delayed menstruation to know if they are pregnant. At the latest, after 15 days of delayed menstruation, it is also possible to know clearly if you are pregnant. It is recommended that if a woman does not have her period on time, she can go to a regular hospital for a medical checkup to understand her body condition, so that she can also target her treatment. Whether it is pregnancy or irregular periods, you will be able to deal with it in time. If there is a problem with pregnancy, you will also be able to replenish the required nutrients in your body as soon as possible, which can promote better fetal development.