Yutin belongs to the emergency contraceptive pill, its contraceptive success rate in 80%, the chance of failure is 20%, so when taking oral Yutin must choose to fasting or 2 hours after meals. After eating Yuktin within 2 hours can not eat any food and water, which can greatly improve the success rate of contraceptive drugs. Can buy early pregnancy test paper for about 12 days after intercourse to test to rule out the chance of conception. After 12 days of testing after taking oral yogurt no pregnancy wait patiently for menstruation, because some women will cause irregular menstruation after taking oral yogurt, there will also be abnormal bleeding, which needs to be observed. Although there is no limit to the number of emergency contraceptive drugs to be taken orally, but the increase in the number of oral will cause irregular menstruation, which will also have an impact on the body, so in future life as far as possible to take the condom method of contraception.