What are the estrogen and progesterone formulations (Yuzpe regimen) of emergency postcoital contraception?

Updated: Jan 24, 2019
  • Author: Kirsten J Sasaki, MD; more...
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Answer

Answer

Estrogen and progesterone formulations (Yuzpe regimen)

Selective progesterone receptor modulator (ulipristal acetate)

  • No change in efficacy when taken up to 120 hours after unprotected intercourse [1]

  • Single dose of 30 mg

  • Requires prescription by a health care professional

  • Contraindicated in patients with severe kidney or liver disease [7]

  • Limited knowledge on effects of current pregnancy [7, 8]


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