The sex hormone test usually requires fasting and is recommended in the morning. Because the sex hormone test includes follicle stimulating hormone, luteinizing hormone, estradiol, progesterone, testosterone and prolactin, the secretion of prolactin can be affected by factors such as eating, emotions and exercise, which may lead to inaccurate test results. In addition, if you drink a lot of water before the test, it may dilute the concentration of sex hormones in the blood, which may lead to low hormone levels. If you eat before the test, it may affect the test results of two hormones, progesterone and free testosterone. The content and clinical significance of the six sex hormone tests include: 1) Luteinizing hormone and folliculopoietin: Usually luteinizing hormone and folliculopoietin can help women check the cause of menstrual disorders, and usually can also determine whether there are any ovarian lesions, which can help treat infertility; 2) Estradiol: Estradiol test can help determine whether a woman is precocious, and for young women, it can also It can help analyze the cause of menstrual disorders. Progesterone: Progesterone is usually checked to determine whether the ovaries are ovulating and whether the medications used to treat ovulation are working, as well as the function of the corpus luteum; Testosterone: Testosterone is usually used to detect polycystic ovary syndrome, male testosterone dysfunction and gender dysphoria; Prolactin: If a female patient has a history of irregular menstruation, prolactin should be checked. , prolactin should be checked, and sometimes there may be a correlation with male erectile dysfunction. Usually, before the sex hormone test, it should be noted that at least one month can not use hormonal drugs, including estrogen, progestin and oral contraceptives, etc. It should also be noted that the patient should rest for half an hour before the blood draw, to avoid sports or mood swings and other effects on the test results.