Q: Pregnancy tests and the pill?
Posted
Tuesday, November 06, 2007 4:40 PM
Q: Can the pill alter pregnancy test results?
Dr. Joseph Hill: No, the birth control
pill does not alter the results of the beta hCG pregnancy test.
From the editors: Your question makes sense, because the pill contains hormones, and home pregnancy tests work by measuring hormone levels. However, birth control contains estrogen or progesterone (or both), while pregnancy tests look for a different hormone called HCG (human chorionic gonadotropin). So, birth control has no effect on home pregnancy tests.
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