Tag: Plan b effectiveness

According to manufacturers, Plan B is most effective when taken within the first 24 hours, though its approved window for use is up to 72 hours (3 days) after unprotected sex. Acting quickly is key, as the efficacy of Plan B decreases the longer you wait.

While Plan B is highly effective, it is not 100% foolproof, with manufacturer tests showing it reduced the chance of pregnancy from 8% to about 1% when taken within 72 hours. Understanding **what are the chances if Plan B is not working?** involves recognizing that several factors can influence its effectiveness, making prompt action and accurate information crucial.