Yosmin belongs to the short-acting contraceptives, oral must be taken on time, according to the amount of oral, can not be missed, otherwise there is a chance of abnormal bleeding. If you miss a day during oral intake, if not more than 24 hours, it is recommended that you can take a replacement tablet, you can take a piece of Yosmin orally at any time, the oral intake of Yosmin is one tablet a day, that is, this time you can take two tablets a day orally, you can avoid the chances of abnormal bleeding. If there is abnormal bleeding, the amount of blood is relatively small, do not stop the drug, continue to take oral Yosmin end. If the amount of blood is very large, similar to the amount of menstruation, this time to stop the drug to menstruation, according to the next course of oral can be.