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A 25-year-old female asked:

Had unprotected sex 6 wks ago, possibly a small period 5 wks ago. took urine preg test 1 wk ago. test accurate? delayed period from plan b?

2 doctor answers4 doctors weighed in
Dr. Mary David
Specializes in Obstetrics and Gynecology
Yes: The plan B will alter your period and if the pregnancy test was negative it is highly unlikely that you are pregnant. However, now is the time to get started on a more reliable method of contraception and be sure to use condoms to decrease the risk of STDs. Hope this helps.
Dr. Lori Semel
Pediatrics 35 years experience
Possibly: This can be hormonal disruption from the Plan B, however you did have unprotected sex so the possibility of pregnancy does still exist. I would take another pregnancy test weekly until your next menses.

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Last updated Nov 29, 2014

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