levonorgestrel
Clinical teaching and practical ideas for your next study session.
Medical Education
Emergency Contraception by the Clock: How Ovulation Timing Chooses LNG, UPA, or the Copper IUD
Emergency contraception is not one mechanism in three interchangeable options. The decisive board-level question is how close the patient is to ovulation—and whether an oral method can still delay it or the patient needs a method that acts independently of ovarian suppression.