Yutin can be taken orally with vitamin C. Vitamin C can help Yutin metabolize quickly and reduce some of the adverse reactions caused by birth control pills. At the same time, two hours after taking Yuktin orally, you can also drink more water to accelerate the metabolism of the drug, can also reduce the adverse reactions brought about by the stop. Emergency contraceptive pill is not 100% contraception, there will be 20% chance of failure, when there is a delay in menstruation, it is advisable to use early pregnancy test paper to test the possibility of pregnancy, as long as more than 12 days results are accurate. Emergency contraceptive pills may cause early or even delayed menstruation and may cause abnormal bleeding, which does not happen to everyone, so it is advisable to observe, after all, everyone’s constitution is different.