A member asked:

I took 2 pregnancy test and both came out negative. i took one 14 days after and the other 16 days after. my period every other month has been confusi?

A doctor has provided 1 answer

Tests are accurate: 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 8/1/2016

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