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How can you tell if the morning after pill has worked?
When does an emergency contraceptive pill fail? - Dr. Apoorva P Reddy
How the morning after pill works
When does an emergency contraceptive pill fail?
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WHY did your emergency contraceptive pills fail?
I still got pregnant after taking an emergency contraception pill. Why didn't it work?
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Why The Morning-After Pill Is At Risk
Have you ever wondered how ellaOne®, the most effective* morning after pill, works?
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The Morning After Pill: Can I Still Get Pregnant?
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When emergency contraceptive fails
When are you at risk of pregnancy?
Can one get pregnant if taking emergency contraceptive a day after intercourse? - Dr. Shailaja N
Plan B may not work for some women
The Real Reason Why the Plan B Pill Doesn't Work