Sex hormone tests usually include serum testosterone, estradiol, progesterone, luteinizing hormone, follicle-stimulating hormone and prolactin. The six sex hormone tests can measure the level of sex hormones in the body, and initially determine whether there are any abnormalities in the functioning of the reproductive glands and endocrine secretions. Testosterone, estradiol and progesterone are mainly secreted by the organs of the reproductive system, while luteinizing hormone, follicle-stimulating hormone and prolactin are mainly secreted by the pituitary gland. Sex hormone 6 lab tests can be performed by drawing blood, which is done in the morning on an empty stomach. The main organs that secrete sex hormones in the body are the male testes, female ovaries, uterus, and the adrenal cortex. The secretion of sex hormones is regulated by the hormones secreted by the hypothalamus and the pituitary gland, and at the same time, the sex hormones provide feedback regulation to the hypothalamus and the pituitary gland, so as to maintain the level of various sex hormones at a stable level.