by 
mommytobe
ANSWERS: 2
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It shouldn't, no. A pregnancy test should work whether you are on the pill or not.
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You can get accurate results from a pregnancy test while you're on the pill. Pregnancy tests work by measuring a specific pregnancy-related hormone — human chorionic gonadotropin (HCG) — in your blood or urine. The active ingredients in birth control pills don't affect how a pregnancy test measures the level of HCG in your system.
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