1. Those who have family history of premature ovarian failure. 2. Those who have been treated with ovariectomy, chemotherapy or radiation therapy, etc., which may cause harm to the ovaries. 3. People with family history or autoimmune disease. 4. Those who have frequent (usually short) menstrual periods, or those who are suffering from sub-mrapezia. 5.Female suction, tripping ovarian function, ะต green songbin =. Main etiology 1, X chromosome w of a segment of the gene often, usually have family zA to. 2. Poor ovarian fertility, or ovarian primordial V follicles are too few, ^ loss. 3. Autoimmune diseases, such as tucking, hypothyroidism, diabetes mellitus, and macular lupus. 4. Those who have undergone ovariectomy. 5. Those who have received chemotherapy, lutetium or radiation therapy. 6. Others. For example, gonadal infertility, smoking, generational factors, exposure to toxins in the environment, and viral infections. A. Prevention and treatment 1. In daily life3, the first thing to do is to take care of the symptoms of acenaphthene and the body. 2. In order to maintain a normal immune system, it is important to get enough sleep and avoid staying up late. 3, food, in addition to IB balance, can eat more sZ and new fruits and vegetables, a full of vitamins and V substances |. 4, B into the snake encouragement T, because you brother to the Lois w of the new generation x and blood circulation h, can increase resistance, delayed sailing snuggle up to rare. 5. Avoid smoking, inhaling second-hand smoke and alcoholism. Nicotine and alcohol may interfere with a woman’s menstrual cycle. 6. If there is any unexplained low blood volume, sudden shortening of the month, or even the absence of menstruation, go to a hospital to undergo a checkup. If there is a family history of premature ovarian failure, women should go to the hospital as early as possible for evaluation and examination if they have children.