from Section 2A - Sexual and Reproductive Healthcare: Contraception
Published online by Cambridge University Press: 16 January 2024
Emergency contraception (EC) is defined as any drug or device used after sexual intercourse to prevent pregnancy. The recommended options for oral EC are ulipristal acetate (UPA), a progesterone receptor modulator (30 mg), and the progestogen levonorgestrel (LNG) (1.5 mg or 3 mg dose depending on weight). Ulipristal acetate is licenced to be used within 120 hours of sexual intercourse and LNG within 72 hours. Mifepristone, a progesterone receptor modulator, is also used as an oral EC, but it is only available for this purpose in China, Vietnam, Russia, Armenia, Moldova and Ukraine. Although the copper intrauterine device is the most effective form of EC, oral EC remains the more commonly used approach [2].
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