Emergency contraceptive pills will affect pregnancy if you take too much, because the side effects of emergency contraceptive pills are still very big, after taking them will cause the normal ovarian ovulation to be inhibited accordingly, especially if you take emergency contraceptive pills frequently, it will cause serious endocrine effects, which may cause problems with ovarian ovulation, and so it will affect pregnancy. In addition, if you often take emergency contraceptive pills, the harm to the body is still very great, such as the emergence of liver and kidney function damage and so on. Do not use the emergency contraceptive pill as a regular contraceptive method in your daily life, you can use condoms for contraception, you can use the IUD for contraception, the side effects are small, the contraceptive effect is good, and it will not affect the future pregnancy, the emergency contraceptive pill can be taken up to two times in a year.