Progesterone is a progestin. How many days of progesterone for menopause will stop your period has a lot to do with the dosage of progesterone. With a large dose, bleeding will stop in 1 to 2 days; with a small dose, the effect is weaker and it is difficult to stop bleeding. When menopause occurs with prolonged menstruation, after excluding diseases of reproductive organs or systemic diseases, it is considered to be caused by endocrine disorders and can be treated with progestin drugs. Highly effective progesterone can make the endothelium atrophy to achieve the purpose of hemostasis, the first treatment requires a large dose, some people will stop bleeding after one or two days, and then need to gradually reduce the amount of progesterone, until reduced to the maintenance dose. At the beginning of the progesterone dosage is small, can not make the uterine lining atrophy, can not achieve the purpose of stopping the bleeding, will always be dripping bleeding. Progesterone must be taken under medical supervision, if the patient is not feeling well, please consult a doctor.