If you have intercourse one week after taking the emergency contraceptive pill and do not take contraceptive measures, if you want to avoid pregnancy, you can only take the emergency contraceptive pill again and take it orally within 72 hours to achieve the purpose of contraception, but frequent application of the emergency contraceptive pill within a week may result in menstrual disorders, irregular vaginal bleeding, or endocrine disorders after the ovarian ovulation function has been disrupted, or abnormalities of liver function and kidney function may occur. Or abnormalities in liver or kidney function may occur. If you have taken emergency contraceptive pills once, this time the emergency contraceptive pills will only have a contraceptive effect on the previous intercourse, and will not play a contraceptive role in intercourse again, if you have sex again, it is best to use condoms for contraception.