BlueCROSS 10 miu Early Pregnancy test strips 10 pieces Bluecross pregnancy tests contains 10 pieces highly accurate early detection pregnancy tests to ensure the most consistent and clear results. Bluecross pregnancy tests detect levels of HCG as low as 10 mIU/mL in urine. Pregnancy test at home with up to 99% accuracy. One line = Not Pregnant, Two Lines = Pregnant. Get results in 3 simple steps. Immerse the pregnancy test strip for 10 seconds, lay the test flat for 5 minutes, then read your results. BlueCROSS 10 miu Early Pregnancy test strip is a fast and accurate pregnancy test that is designed for ease of use. It works by detecting the presence of human chorionic gonadotropin ("hCG") in urine. Test at home with ease and simple result to read.