A member asked:

I am a day late for my period, i took a pregnancy test and it came back negative. my last period started on march 21st and my cycle length is normally 37 days. whats wrong?

A doctor has provided 1 answer
Dr. Robert Kwok answered

Specializes in Pediatrics

Tests are accurate: Home pregnancy tests are very accurate and not affected by foods, herbs, common illnesses, sexually transmitted diseases, 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, a positive result is likely real, but a negative result may be due to testing too soon.

Answered 4/28/2020

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