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How soon does ovulation occur following plan b

A 38-year-old member asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
It is effective if: Taken within 72 hours of sexual intercourse. Plan b one-step can reduce your risk of pregnancy by up to 95% is used within 24 hours of sex. It is norm... Read More

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A 28-year-old female asked:
Dr. Jeff Livingston
Obstetrics and Gynecology 22 years experience
That's the goal: Plan b essentially disrupts the normal menstrual cycle by blocking or delaying ovulation. That it is how it works and why it is so different than a me... Read More
A 44-year-old member asked:
Dr. Karen Jones
Obstetrics and Gynecology 37 years experience
Yes: Plan b will still work even if it is taken at the time of ovulation. Remember Plan B is most effective the sooner it is taken to the time of sex. Ef... Read More
Dr. Heidi Fowler
Psychiatry 25 years experience
Plan B can be: used at any time during a woman's menstrual cycle. Plan B One-Step is up to 89 % effective when taken within 72 hours (3 days) after unprotected sex. ... Read More
A 49-year-old member asked:
Dr. Jeff Livingston
Obstetrics and Gynecology 22 years experience
Disrupts not restart: Plan b essentially disrupts the normal menstrual cycle by blocking or delaying ovulation. Irregular bleeding after taking Plan B is not rare. Always ... Read More
A female asked:
Dr. Esther Poza-juncal
Internal Medicine 37 years experience
Yes: Plan B, emergency contraception to be taken within 72 hours of sex, works when you are ovulating, which is the whole idea.
A male asked:
Dr. Gerard Honore
Fertility Medicine 29 years experience
Common question: Very likely it will, but not guaranteed. Ongoing clinical research on this. Hurry up and take it though. Good wishes.
A 19-year-old female asked:
Dr. Robert Kwok
Pediatrics 33 years experience
Sure: Plan B "works" fine before, during, or after ovulation. That just means that if a woman needs emergency contraception after sex (which she should only... Read More
A member asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
Plan B can: be used at any time during a woman's menstrual cycle.
A 16-year-old female asked:
Dr. Gerardo Guerra Bonilla
Family Medicine 12 years experience
Plan B: Given the uncertainty in timing of ovulation, emergency contraception is offered, when indicated, without regard to day of the menstrual cycle. Dire... Read More
A 24-year-old female asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
It is effective: during that time. It can be taken at any time during a woman's cycle. Plan B One-Step is up to 89 % effective when taken within 72 hours (3 days) afte... Read More

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more. Get help now:

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