Emergency contraceptive pills (ECPs) are often taken in a moment of stress—after unprotected sex, missed pills, or contraceptive failure. But one question many women have is,  “What if it doesn’t work?”.  Let’s break it down simply. How effective are emergency pills? Emergency pills like Levonorgestrel (taken within 72 hours) or Ulipristal acetate (effective up to 120 hours) reduce the risk of pregnancy—but don’t eliminate it completely. If taken within 24 hours → ~95% effective Within 48 hours → ~85% effective Within 72 hours → ~58–75% effective So yes, pregnancy is still possible , especially if: The pill is taken late You were already close to ovulation There was another episode of unprotected sex after taking the pill How do these pills actually work? They mainly: Delay or stop ovulation Do not work well if ovulation has already happened This is why timing matters so much. What are the chances of complications? The good news: Emergency pills are reasonably  safe f...