A 17-year-old female asked:
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had unprotected sex during ovulation. pre ejaculate only and took plan b in 22 hours. what are my chances of pregnancy?

2 doctor answers
Dr. Jeff Livingston
22 years experience Obstetrics and Gynecology
Lower: Taking Plan B decreases the risk of pregnancy by about 70%. Always take a pregnancy test about 10 days after use to confirm that it worked. Consider starting birth control to avoid these scares in the future.
Answered on Nov 30, 2020
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1 thank
Dr. Heidi Fowler
25 years experience Psychiatry
Plan B: significantly lowers the chance of pregnancy.
Answered on May 31, 2015

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Very slim.: But not zero. Emergency contraception has a low failure rate but it is much better to use plan a than plan b.
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Low, but...: Plan B, Postinor 2, and other brands of emergency contraceptive pills can alter the menstrual cycle for the cycle in which Plan B or Postinor 2 was ta ... Read More

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