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A 16-year-old female asked:

period came on expected date, but was lighter than normal, but same amount of time as usual (i was super stressed due to a pregnancy scare). took a hpt 5 days later, five weeks after sex, negative result. was this my period? can i trust the test?

1 doctor answer2 doctors weighed in
Dr. Robert Kwok
Pediatrics 33 years experience
Probably not preg.: 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.

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Last updated Aug 2, 2020

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