Detects the presence of human chorionic gonadotropin ("HCG"), which appears in urine very early in pregnancy. Regardless of the technical language, this test works just like most other pregnancy tests out there. It measures the levels of the pregnancy hormone human chorionic gonadotropin (HCG) in your urine. This hormone is produced by the cells of the embryo that will later form the placenta. The level of HCG starts to increase from its basal level of less than 5 mIU/mL directly after implantation, and doubles about each 48 hours during the first weeks of pregnancy. Features: All tests FDA approved and over 99% accuracy Easy to use Will work 5 days before your missed period Earliest detection, greatest sensitivity level - 25 mIU/mL
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