Emergency contraception is a backup method for emergency because it is used as protection against unplanned pregnancy. The use of EC is appropriate and justified in certain situations when: contraception is not used during sexual intercourse, unsuccessful use of contraception or improper use of it. Improper use includes: improper use of condoms, early removal of the diaphragm, the use of pills consisting only of progesterone, if happens three or more consecutive omission of combined oral contraceptive pills, when the spiral falls out, in cases of sexual violence, where the woman was not protected by a certain contraceptive method. There are two types of emergency contraception: oral emergency contraception and copper intrauterine device. Oral emergency contraception with levonorgestrel must be taken within 24 hours of unprotected sexual intercourse because its efficiency is then the largest. Oral emergency contraceptive with ulipristal acetate can also be taken 120 hours after unprotected sexual intercourse. Therefore, oral emergency contraceptive with ulipristal acetate is a better contraceptive. In view of the benefits, ulipristal acetate is the first choice in emergency contraception compared to levonorgestrel. Pills are not abortive because they only cause ovulation delay. However, the most effective method of contraception in emergencies is a copper intrauterine device. The advantages of a copper intrauterine device are: efficacy, reversibility, safety, viability, longevity and insensitivity, while the disadvantages are: bleeding (initially), pain during insertion, does not protect of sexually transmitted diseases and has risks of infection, uterine perforation and expulsion. The availability of emergency contraceptives has not led to a reduction in the number of unwanted pregnancies or abortion rates at the population level, which is actually the goal of emergency contraception.