When you may be pregnant, the earlier you know the better. Featuring First to Detect Technology, this digital pregnancy test is sensitive enough to capture scant amounts of pregnancy hormones to give you results 6 days sooner than your missed period. No other brand can do that. Early Pregnancy Detection Matters The first few weeks of pregnancy are critical to fetal development, so early prenatal care is important for a healthy birth weight and the babys survival. The sooner you know youre pregnant, the sooner you can begin making healthy pregnancy choices for you and your baby that include diet, nutrition, and limiting your exposure to hazards. Things to Know About Testing Early2 Some pregnant women may not have detectable amounts of the pregnancy hormone in their urine on the day they use the test. The amount of pregnancy hormone increases as the pregnancy progresses. In laboratory testing, First Response detected the pregnancy hormone levels in 60% of pregnant women 5 days before their expected period, in 86% of pregnant women 4 days before their expected period, in 96% of pregnant women 3 days before their expected period, in 99% of pregnant women 2 days before their expected period, in 99% of pregnant women 1 day before their expected period, and in 99% of pregnant women on the day of their expected period. 1 FIRST RESPONSE detects the pregnancy hormone 6 days sooner than the day of your missed period (5 days before the day of expected period). 2 99% accurate at detecting typical pregnancy hormone levels. Note that hormone levels vary. 3 Minkin MJ. Embryonic development and pregnancy test sensitivity: the importance of earlier pregnancy detection. Women's Health (Lond Engl). 2009 Nov5(6):659-67.