The Sex Hormone 6 test requires a blood draw on an empty stomach, and for women of childbearing age the blood is drawn on the 2nd-3rd day of menstruation, and the results are referenced to the follicular phase. If amenorrhea is present, the test can be done at any time of the day, and the results are referenced to the luteal phase. Sex hormone 6 is mainly used for the examination of menstrual disorders, infertility, or for clinical symptoms such as amenorrhea, sex hormone 6 is performed to understand the endocrine condition and according to the results, appropriate treatment will be given. In addition, do not take hormonal drugs, such as estrogen and progesterone, before taking the blood test, otherwise it will have a corresponding effect on the test, and it is recommended to rest for about 10 minutes before taking the blood test, so as to avoid the situation that exercise leads to the elevation of prolactin.