fair-haven-pregnancy-test-accuracy | American Pregnancy AssociationHome pregnancy tests (HPTs) are designed to detect hCG, a hormone released by the placenta right after the embryo begins implanting into the uterine lining. The hormone is released in a pregnant woman’s urine.

An October 2001 JAMA article states the highest possible screening sensitivity for an hCG-based pregnancy test conducted on the first day of a missed period is 90 percent, as 10 percent of women may not have implanted yet. The authors estimate that the highest possible screening sensitivity of a home pregnancy test by one week after the first day of the missed period is 97 percent. Fairhaven Health offers the most sensitive home pregnancy tests currently available.

  1. Pregnancy Tests – Urine and Blood

    There are two types of pregnancy tests; one uses a urine sample, the other a sample of blood. Both pregnancy tests detect the presence of a hormone called human chorionic gonadotropin (hCG). This hormone is produced by the placenta shortly... more...
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