Yuktin is an emergency contraceptive, taking it in 2 doses can ensure that the level of contraceptive in the body is kept at a stable level, so that the contraceptive effect is better. Oral Yutin, before and after 2 hours need to fasting, that is, can not eat, can not drink, because Yutin may stimulate the gastrointestinal tract, nausea, vomiting symptoms, if eating at the same time to take the drug, nausea, vomiting symptoms may be aggravated. If you vomit, the drug has no effect or the contraceptive effect is weakened, and there is a possibility of contraceptive failure. Within a week after taking Yutin orally, don’t eat spicy and stimulating, cold food, or drink alcohol, all of which may affect the effect of the drug. A week or so after taking the drug, there may be withdrawal bleeding, which is normal, usually less than the amount of menstruation, bleeding time will not exceed 7 days, do not need to deal with.