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When should I take a pregnancy test after a plan b

A 19-year-old female asked:
Dr. Derek Haas
Specializes in Fertility Medicine
Yes: Yes, there is nothing in plan B that would interfere with the accuracy of a pregnancy test. You can take a pregnancy test now for reassurance. The m... Read More

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A female asked:
Dr. Wayne Ingram
Specializes in Obstetrics and Gynecology
Anytime: If you have missed your period at this time, a pregnancy test should now be accurate.
A 35-year-old member asked:
Dr. Gurmukh Singh
Pathology 49 years experience
If you miss a period: If you are 4-5 days past the expected day of your period do home test using first morning urine.
A 18-year-old female asked:
Dr. Yvette Kratzberg
Pediatrics 24 years experience
Pregnancy test: Home pregnancy tests can be positive as soon as the first day of your missed period. Plan B is an emergency contraceptive that uses high doses of horm... Read More
A 25-year-old female asked:
Dr. Carla Enriquez
Pediatrics 50 years experience
Two weeks : A home pregnancy test can be positive two weeks after missed period. Calculate from there and do the test accordingly.
A female asked:
Dr. Mary David
Specializes in Obstetrics and Gynecology
2-3 weeks: It would be most accurate after your next period would have been due or 2-3 weeks after you take it.
A 45-year-old member asked:
Dr. Yash Khanna
Family Medicine 57 years experience
ONLY IF MISSED PERIO: Plan b if taken as directed within 72 hours prevents pregnancy, and if you did not have unprotected sex after that.You only need to do pregnancy test ... Read More
A 23-year-old female asked:
Dr. James Ferguson
Pediatrics 46 years experience
Can or should: It takes time for intercourse to end in sperm finding an egg & more time after that conception to make its way to the womb, implant & make hor... Read More
A 21-year-old female asked:
Dr. Gurmukh Singh
Pathology 49 years experience
Depends: How soon after sex did you take plan B. Effectiveness goes down with increasing time. It is prudent to take a pregnancy test, if you are more than thr... Read More
A 24-year-old female asked:
Dr. Heidi Fowler
Psychiatry 25 years experience
Yes: If your period is a week late -would take a home pregnancy test.

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