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plan b one step effectiveness chart

A member asked:
Dr. Pacita David
29 years experience Psychiatry
No: Neither has been demonstrated to impact effectiveness.

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A 24-year-old female asked:
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
Probably no effect: There have not been many studies regarding Plan B use among obese patients. The package insert recommends caution. Most likely Plan B still has its in ... Read More
A 21-year-old female asked:
Dr. Harold Mandel
39 years experience General Practice
7/8: If you take Plan B as directed, it can significantly lower the chance that you will get pregnant. About 7 out of every 8 women who could have gotten p ... Read More
A 29-year-old female asked:
Dr. Vahe Yetimyan
50 years experience General Practice
It would not: loose it's effectiveness . Follow the instruction on the box of the medication.
A member asked:
Dr. Jeffrey Juchau
32 years experience Family Medicine
Plan B: Is 95% effective when taken within 24 hours of unprotected intercourse. No contraceptive is 100% effective.
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A 24-year-old female asked:
Dr. Jeffrey Juchau
32 years experience Family Medicine
Plan B: No it is an emergency contraceptive. It is not meant to be used as regular birth control. Their are much better regular contraceptives.
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1 thank
A 47-year-old member asked:
Dr. Hugh Pabarue
20 years experience Internal Medicine
Yes: Plan b is a female hormone. In some women it may cause women to spot, delay the onset of menses, or skip it altogether. Your period will likely come ... Read More
A 48-year-old member asked:
Dr. Steven Weissberg
54 years experience Obstetrics and Gynecology
Yes: Its effective if taken within 72 hrs of unprotected sex.
A 51-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
No: It is designed to be used after the sexual event, not prior to it.
A 46-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Up to 95%: When taken within the first 24 hours after sex, it can reduce risk of pregnancy by up to 95%.
A 24-year-old female asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Not very: Plan B One-Step is up to 89 % effective when taken within 72 hours (3 days) after unprotected sex. It can reduce chance of pregnancy by up to 95% if u ... Read More
A 32-year-old male asked:
Dr. Jeffrey Juchau
32 years experience Family Medicine
Ok: There is no need to take plan B if you are on birth control and taking it every day. Plan B is birth control pills. Don't use plan B when you are on ... Read More
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A 40-year-old member asked:
Dr. Michael Dansie
15 years experience Family Medicine
Plan B: Plan b is a backup method of preventing pregnancy and is not for routine use. Is uses the same ingredients found in many birth control pills to help p ... Read More
A 41-year-old male asked:
Dr. Kenneth Cheng
30 years experience Family Medicine
Possibly: The "official" literature for Plan B states that the safety of the medication during breastfeeding is unknown for the breastfeeding infant. It is lik ... Read More
A 30-year-old female asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Yes, relatively: Speaking. Plan b one-step can reduce your risk of pregnancy by up to 95% is used within 24 hours of sex.
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A member asked:
Dr. Robert Phillips
37 years experience Obstetrics and Gynecology
It should: It should work throughout the cycle.
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1 thank
A 26-year-old male asked:
Dr. Olakitan Akinjagunla
Specializes in Internal Medicine
UmmMMM?: I am assuming this question is with regards to a female. The period would confirm that it worked but if in doubt get a pregnancy test done. If the 3 p ... Read More
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1 thank
A 24-year-old female asked:
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
Decreases risk: Emergency contraception decreases the risk of pregnancy by about 70%.
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1 thank
A 43-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Plan B: Plan b one-step can reduce your risk of pregnancy by up to 95% is used within 24 hours of sex. Taking it within 72 hours after unprotected sex reduces ... Read More
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1 thank
A 51-year-old member asked:
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
72 hrs: Plan b decreased the risk of pregnancy when taken within 72 hours of unprotected intercourse. If you are needing it twice in one week consider using c ... Read More
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A 27-year-old female asked:
Dr. Cornelius Oleary
18 years experience Urgent Care
Plan B: Plan B is intended to be used during a very short time frame. Get a Plan B that has not expired to be safe.
A 22-year-old female asked:
Dr. Oscar Novick
57 years experience Pediatrics
PlanB: Yes, planB works while you are dertile
A 26-year-old female asked:
Dr. Parul Krishnamurthy
33 years experience Obstetrics and Gynecology
Unknown: Effectiveness is less once the recommended window is over.
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A 26-year-old female asked:
Dr. Oscar Novick
57 years experience Pediatrics
Reliability: Plan b is effective for up to five days or 120 hours.

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