How does the 72h pill work? A deep dive into levonorgestrel emergency contraception
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4 min read
The 72h emergency contraceptive pill is most effective when taken as soon as possible after unprotected sex, ideally within the first 24 hours. This over-the-counter medication works primarily by using a high dose of the hormone levonorgestrel to disrupt the ovulatory cycle and help prevent pregnancy before it can begin.