If you want to know the age of the ovaries generally through three tests to understand: 1, sex hormones generally refers to the sex hormones in the basal state, is in the menstrual blood on the second and third day of blood sampling for examination, in the evening before the blood sampling test, will generally require patients to rest as early as possible, dinner as much as possible is to eat a light diet, avoid eating fat, sweet and greasy products; 2, sinus follicle number is also in the menstrual period of the second and third day of the vagina ultrasonic examination, to understand the number of bilateral ovarian sinus follicles, generally one side of the ovarian follicle number of 6-7 is a normal ovarian reserve. Examination, in order to understand the bilateral ovarian sinus follicle number, generally one side of the ovarian follicle number in 6-7, belong to the normal ovarian reserve, if one side of the ovarian sinus follicle number > 12 should be considered polycystic ovary syndrome, if one side of the ovarian sinus follicle number is only 2-3, should be considered to be a decline in the function of the ovarian reserve; 3, anti-Maurelle’s tube hormone, you can be drawn at any time of the menstrual period. When anti-mullerian duct hormone >10ng/ml, consider polycystic ovary syndrome, when anti-mullerian duct hormone <1ng/ml, consider ovarian hypoplasia, between 2ng/ml and 10ng/ml suggests that the patient's ovarian function is normal.