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Abstract: Emergency contraception (EC) is used to decrease the risk of pregnancy after unprotected sexual intercourse. There are two types of EC: emergency contraceptive pills (ECPs), and the post-coital copper intrauterine device (IUD). ECPs are more commonly used and can reduce the risk of pregnancy by 75- 89%. Although they may be effective if used up to 5 days after intercourse, ECPs are more effective the sooner they are used. This medication is extremely safe and will not harm an existing pregnancy. Repeated use of ECPs poses no known health risks; however, ongoing forms of birth control will be more effective. ECPs do not provide protection against sexually ...