Within 72 hours after intercourse, if no contraceptive measures are taken, or if contraceptive measures fail, such as using a condom, a small hole in the condom, or a slipped condom, taking the emergency contraceptive pill is still very effective. However, even though it is good, the emergency contraceptive pill is not 100% effective, and some people can get pregnant after taking the emergency contraceptive pill. In addition, the side effects of the emergency contraceptive pill are still very large, so it is not recommended to take the emergency contraceptive pill as a regular contraceptive method orally, usually you can use condoms to contraception, both safe and hygienic, and the contraceptive effect is particularly good. In addition, you can also get an IUD, the current birth control ring contraceptive effect can be as high as 98%.