Excessive dieting may cause menstrual disorders, so over dieting can lead to menopause. Dieting causes the total body fat to be less than 20% of body weight, which can clinically cause endocrine disorders. Therefore, it is recommended to take progesterone orally to induce menstruation, but of course the possibility of pregnancy should be ruled out first. If there is no pregnancy, progesterone should be used to induce menstruation once/day, 2 capsules/time, for 5 days, and menstruation will come in 3-7 days after stopping the medication. If you can get a period, do not diet in the future to restore the endocrine to a normal state, so dieting must be scientific weight loss, excessive dieting can bring serious consequences.