Yes, taking Unwanted 72 (levonorgestrel) just one hour after sex is highly effective. Emergency contraceptive pills work best the sooner they are taken, ideally within 24 hours, though they remain effective for up to 72 hours. Since you took it so quickly, it has a very high chance of preventing pregnancy. Please remember that emergency contraception is for occasional use and does not protect against sexually transmitted infections. If your next period is delayed by more than a week, a simple home pregnancy test can give you peace of mind.
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Will Unwanted 72 work if it is taken one hour after sex?