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A member asked:
Is a negative result on a urine pregnancy test taken 40 days after unprotected sex conclusive?
A doctor has provided 1 answer
Yes: Home pregnancy tests are very accurate and not affected by foods, herbs, common illnesses, sexually transmitted diseases, vaginal spotting, or medications. A test gives a 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 conception.
Answered 8/30/2016
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