Click here for larger image Retail Price: $2.94 Your Price: $2.45 Quantity:   Total Price: $          Pregnancy Midstream Urine Test is an immunochromatographic assay designed for qualitative determination of human chorionic gonadotropin (hCG) in urine for early detection of pregnancy. Midstream is the most convenient formats for pregnancy tests Test takes less than 5 minutes Level of hCG as low as 20- 25 mlU/mL can be detected How home pregnancy test works: Human chorionic gonadotropin is a glycopeptide hormone produced by the placenta during pregnancy. The appearance and rapid rise in the concentration of hCG in the woman's urine makes it a good pregnancy marker. Usually, concentration of hCG in urine is at least 25 mIU/ml as early as seven to ten days after conception. The concentration increases steadily and reaches its maximum between the eighth and eleventh weeks of pregnancy. FDA Approved and recommended by doctors.