Unmarried can also check the ovaries, ovaries can be checked by ultrasound, if unmarried, you can do abdominal ultrasound, before the examination, the patient needs to fill the bladder, can detect the size of the follicle, but also can detect the thickness of the uterine lining. Basal body temperature can also be measured, through the examination of basal body temperature can generally reflect whether the patient has ovulated, as well as its luteal function. Blood tests can also be taken on the 2nd to 5th day of menstruation to check the level of sex hormones in the body, which can reflect the basic state of the ovaries and the reserve capacity of the ovaries, all of which can be checked by unmarried women.