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A 25-year-old female asked:

I skipped my period now for longer than a week. i did have a knee operation and they did give me pain block. i have a nova t in. can i be pregnant? i did two home tests and both were negative i had spottong and do have cramps but nothing happens?

1 doctor answer1 doctor weighed in
Dr. Robert Kwok
Pediatrics 34 years experience
Tests are accurate: Today's home urine tests are very accurate and not affected by foods, herbs, common illnesses, sexually transmitted diseases, or medications. A correctly done urine test will give a reliable result 3 weeks after sex (3 weeks after when conception might have been) 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 Dec 2, 2019

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