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If i took plan b and then a couple hours later had unprotected sex will it still work

A 56-year-old member asked:
Dr. Andrew Silverman
48 years experience Fertility Medicine
Plan B: Yes.

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A 44-year-old member asked:
Dr. Andrew Silverman
48 years experience Fertility Medicine
Plan B: Absolutely.
A 33-year-old female asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Plan B: Obesity should not prevent Plan B from working.
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A 30-year-old female asked:
Dr. Linda Gromko
47 years experience Family Medicine
Hopefully...: Ovulation time, of course, is 'prime time' for getting pregnant! Plan B will hopefully work, but get a pregnancy test if you do not get a normal perio ... Read More
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A 28-year-old female asked:
Dr. Robert Killian
27 years experience General Practice
Plan B works: They would not be able to sell it if did not work.
A member asked:
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Maybe: It takes time for the sperm to swim to the egg and fertilize the same. The Plan B may still be in your bloodstream but it tends to inhibit implantatio ... Read More
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A female asked:
Dr. Mary Engrav
30 years experience Emergency Medicine
Taking : Taking Plan B twice is allowable. Nothing bad will happen to you from taking it twice. There are many birth control options now, including oral tabl ... Read More
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A 30-year-old female asked:
Dr. Ted Anderson
27 years experience Gynecology
Reality Check: Plan b is designed to be used after a single episode of unprotected intercourse, not as birth control for repeatedly irresponsible sexual activity. S ... Read More
A 22-year-old male asked:
Dr. Jeff Livingston
21 years experience Obstetrics and Gynecology
Decreases risk: Taking Plan B lowers the risk of unplanned pregnancy. It sounds like you should consider starting long term birth control to help prevent these scares ... Read More
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A 22-year-old female asked:
Dr. Robert Kwok
32 years experience Pediatrics
Probably not, but...: Plan B can alter the menstrual bleeding for the cycle in which Plan B was taken, and sometimes the next cycle too. One should be sure to check a home ... Read More
A 29-year-old female asked:
Dr. Martin Raff
55 years experience Infectious Disease
Pregnant?: No way to tell without testing. Would wait 7-10 days and get a urine test strip from the pharmacy (otc and inexpensive). If negative, test again in ... Read More
A 29-year-old female asked:
Dr. Bruce Pierce
28 years experience Obstetrics and Gynecology
Take Plan B again: But consider going on another form of birth control. Talk to your provider for options.
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A 22-year-old female asked:
Dr. Robert Kwok
32 years experience Pediatrics
It should work: Plan B works most of the time, but not all of the time. One should do a home urine pregnancy test 3 weeks after Plan B. Also, use reliable forms of bi ... Read More
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A female asked:
Dr. Bryan Kurtz
33 years experience Obstetrics and Gynecology
It should: It should work, but it sounds like you need to think about a better form of birth control.
A 30-year-old female asked:
Dr. Dennis Higginbotham
29 years experience Obstetrics and Gynecology
Probably not: You should be safe, however take a pregnancy test in 5 days, if you are pregnant it will be positive by then. Consider starting an effective contrace ... Read More
A 26-year-old female asked:
Dr. Robert Killian
27 years experience General Practice
Plan B: Your question, unfortunately, gives conflicting and ambiguous information. Here is what we know. Plan b should be taken as soon as possible after ... Read More
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A 26-year-old female asked:
Dr. Karen Jones
36 years experience Obstetrics and Gynecology
It should be: Morning after pill works best if taken in the first 72 hours. Also women are usually not very fertile just before the period. You might want to use an ... Read More
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A 25-year-old female asked:
Dr. Timothy Brown
43 years experience Obstetrics and Gynecology
Not a simple answer: You really should not be depending on Plan B for your birth control. It doesn't always work and it is uncertain whether taking another will improve y ... Read More
A member asked:
Dr. Brad Douglas
23 years experience Obstetrics and Gynecology
See below: Ec works about 95% of the time when taken with in 24 hours of sex.
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A member asked:
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Not pregnant: The appearance of your period indicates no pregnancy, period.
A 37-year-old member asked:
Dr. Steven Weissberg
54 years experience Obstetrics and Gynecology
Yes: Yes, but consider using birth control. Plan b is not birth control.
A 21-year-old female asked:
Dr. Charles Cattano
38 years experience Gastroenterology
Not impossible: A home pregnancy test will hopefully provide the answer you seek. If pregnancy is undesired, please next consider your options for effective birth con ... 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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Personalized answers
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