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A member asked:
Had a serum pregnancy test done 21 days after intercourse. do not have regular periods to know. it was negative. is that a reliable result?
A doctor has provided 1 answer
Tests are accurate: Pregnancy tests are very accurate and not affected by foods, herbs, common illnesses, sexually transmitted diseases, vaginal spotting, or medications. A test gives a very reliable result 3 weeks after sex (3 weeks after when conception might have happened) or 1 week after missing a period. If done sooner, a negative result may be due to testing too early, such as less than 2 weeks after sex.
Answered 1/12/2018
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