You should not take two tablets of Yutin together. The first tablet is taken orally within 72 hours after intercourse, and the second tablet is taken orally 12 hours after the first tablet is taken orally, so as to maintain the effective concentration of the drug in the body to achieve the full effect of contraception. In the case of oral gold yutin, within 72 hours, only one tablet can be taken. Clinically, Yutin is a highly effective contraceptive pill and has very strong side effects, preventing ovulation and abnormal thickening of the endometrium, preventing the fertilized egg from being laid to achieve the purpose of contraception. It may cause endocrine disruption and disruption of the menstrual cycle. So do not take yutin contraception as a last resort, it is recommended that the best condom to contraception.