Hi, Postinor 2 is most effective if you take the first tablet within 72 hours or 3 days after having unprotected sex. The later you take the first dose the less effective the drug will be in preventing pregnancy. Maryann
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Hi,
February 27, 2012 - 5:48pmPostinor 2 is most effective if you take the first tablet within 72 hours or 3 days after having unprotected sex. The later you take the first dose the less effective the drug will be in preventing pregnancy.
Maryann
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