The hormone six test during menstruation is usually performed 2-4 days after the onset of menstruation, which is in the early follicular stage and can reflect the functional status of the ovaries. However, for those who do not have menstruation for a long period of time and are in a hurry to have the test, the test can be done at any time. For regular menstruation, the blood test can be done at 9-11 am, 2-4 days after menstruation, and the result is relatively accurate. For infertility or amenorrhea, long absence of menstruation, the test can be done at any time, to be fasting blood test. Hormone 6 mainly includes estrogen, progesterone, follicle-stimulating hormone, luteinizing hormone, testosterone, and prolactin, and is mainly for screening of endocrine disorders and general understanding of ovarian function.