Pregnancy tests and blood sugar tests have pretty different usage patterns. Blood sugar tests will (should) be used every day by diabetics; the cost per test ma

Pregnancy tests and blood sugar tests have pretty different usage patterns. Blood sugar tests will (should) be used every day by diabetics; the cost per test matters a lot. Women on the other hand go through pregnancy tests much less frequently, and care much more about accuracy than cost. The impact of a false positive or negative from a pregnancy test can be massive, and even the perception of increased accuracy is good marketing.