Yes. After the application of emergency contraceptive pills, the probability of successful contraception is about 95%, and the remaining part is that there may be a possibility of pregnancy in 4-5% of cases. In this case, if pregnancy occurs after the application of emergency contraceptive pills, it is a kind of failure of emergency contraception at this time there is a possibility of intrauterine pregnancy, but also does not exclude the possibility of ectopic pregnancy. If the intrauterine pregnancy occurs after the application of emergency contraceptive pills, consider whether to continue to retain the pregnancy, this issue is very entangled, then if you want to continue the pregnancy, you can improve the examination after close monitoring, regular perinatal health care, in order to decide the subsequent retention of pregnancy. If an ectopic pregnancy occurs, the corresponding treatment should be carried out accordingly.