Early; First Response detects the pregnancy hormone 6 days earlier than the day of your missed period. The amount of pregnancy hormone increases as the pregnancy progresses. Sensitive; First to detect the pregnancy hormone. Accurate; Over 99% accurate in laboratory testing* Fast; Read results in 3 minutes. Simple; Just hold the test in your urine stream for a few seconds. Clear; Two pink lines pregnant, one pink line not pregnant. This kit contains two First Response pregnancy tests and instructions. * Over 99% accurate at detecting typical pregnancy hormone levels. Note that hormone levels vary, some pregnant women may not have detectable levels of the hormone in their urine on the day they use the test. Follow the enclosed instructions.