Accurate by 3 weeks: Home pregnancy tests are very accurate and not affected by foods, herbs, common illnesses, STD's, or medications. A correctly done urine 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 than 2-3 weeks after sex, a positive result is likely real, but a negative result may be due to testing too soon.
Answered 4/9/2017
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A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
A doctor has provided 1 answer
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