Low sex hormones can cause symptoms such as amenorrhea, heavy periods, infertility, hot flashes, night sweats, and irritability. The sex hormones are estrogen, progesterone, testosterone, luteinizing hormone, follicle stimulating hormone, and prolactin. Low levels of sex hormones not only lead to problems in the reproductive system, but also have vascular and mental effects, with symptoms such as amenorrhea, menstrual disorders, infertility, hot flashes, and irritability. Generally with age, a physiological decrease in sex hormone levels will occur around the age of 45-55, and women will experience perimenopausal symptoms such as menstrual changes, hot flashes and night sweats, and mood swings. If not to the age of menopause appear sex hormone low, may be premature ovarian failure, hypothalamus pituitary gland dysfunction, etc., need to consult a doctor for examination, to clarify the cause of the disease, and then targeted treatment.