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A 18-year-old female asked:

My last periods started on 16th oct,and i had unprotected sex on 4th nov bt it was of withdrawal types, i'm getting pms bt having doubt of pregnany.

1 doctor answer2 doctors weighed in
Dr. Robert Kwok
Pediatrics 34 years experience
Don't have to guess: A urine pregnancy test gives a reliable result if done correctly the week after missing a period, or 3 weeks after having sex. If the test result is negative and a woman is still worried about pregnancy, she can do one more urine pregnancy test another week later.

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Last updated Nov 22, 2017

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