Maflon is a short-acting oral contraceptive that can be used to regulate menstruation as well as for birth control. This drug is relatively safe for women, take 21 days every month, 3-7 days after stopping the drug will have withdrawal bleeding, it is called menstruation. If it is used for contraception, it can be used for a long time, that is, every time the fifth day of menstruation, start taking it orally, take it for 21 days in a month, long-term application for women to protect the uterus and protect the ovaries, and the side effects are also very small, the contraceptive effect can reach more than 99%. If it is used to regulate menstruation, the duration of the medicine is 3-6 months, and after taking the medicine, menstruation will be regularized.