If you have sex after your period, you don’t have good contraception, you don’t take the emergency contraceptive pill, there are other ways to prevent unwanted pregnancy, such as going to a regular hospital as soon as possible within 72 hours afterwards to prescribe mifepristone, which is good for preventing the fertilized egg from being laid, so as to achieve a remedial effect. In addition, you can go to a regular hospital to get an intrauterine device, which is a metal ring with copper ions, which also helps to prevent the fertilized egg from being implanted, thus achieving a remedial effect, also as soon as possible within 72 hours after the event. If by chance, the probability of getting pregnant during the safe period is around 15% or even less. If it is during the danger period or ovulation, the probability of pregnancy may be relatively higher for some women, at around 60%.