The use of the Yuktin emergency contraceptive pill is to take a piece within 72 hours after intercourse, and then another piece 12 hours later, so that the drug reaches an effective concentration in the body to achieve the purpose of adequate contraception. Yutin is a highly effective progestin, after taking often cause withdrawal bleeding, this withdrawal bleeding often stop on their own in about three days, the bleeding will be relatively small, belong to the side effects of Yutin caused, once the withdrawal bleeding, it is recommended not to stress, keep the vulva clean on it. If the bleeding does not stop in five days, you need to give intervention, such as symptomatic treatment, oral hemostatic drug Anluo blood, eat three times a day, once 5mg, take two consecutive days, the symptoms of bleeding will disappear.