Tells you first... 6 days early. Br br over 99% accurate! Br br first to detect the pregnancy hormone. Br br at home test for the detection of pregnancy. Self testing. Br br first response detects the pregnancy hormone 6 days earlier then the day of your missed period 5 days before day of expected period. The amount of pregnancy hormone increases as pregnancy progresses. Br br in clinical testing, first response detected hormone levels consistent with pregnancy in 62% of women 5 days before their expected period, in 78% of women 4 days before their expected period, in 87% of women 3 days before their expected period and in 98% of women 2 days before their expected period. Br br over 99% accurate at detecting typical pregnancy hormone levels. Note that hormone levels vary, some pregnant women may not have detectable amounts of the pergnancy hormone in their urine on the day they use the test. Br follow the instructions enclosed. Br br for further information, or advice on using the first response pregnancy test, contact the first response advice line at church and dwight uk ltd. Ask for carol moore on 01303 221686 during office hours. Br you can also get confidential advice from our midwife advice service online at www.firstresponsefertility.com br br first response and the human figure design are trademarks of church and dwight co., inc.