15 Ovulation Midstream Tests and 5 Pregnancy Midstream Tests (20 Total) Free Shipping!

HOW DOES IT WORK ? Human chorionic gonadotropin (hCG) is a hormone, produced by the developing placenta shortly after the conception and secreted into the urine. The pregnancy test contains antibodies which specifically react with this hormone. When urine specimen is dropped into a midstream, capillary action carries the specimen to migrate along the membrane. When hCG in the sample reaches the Test Zone region of the membrane, it will form a colored line. Absence of this colored line suggests a negative result. To serve as a procedure control, a colored line will appear at the Control Zone region, if the test has been performed properly. WHEN TO BEGIN TESTING The length of the menstrual cycle is the duration from your first menstrual bleeding day to the day before the next bleeding begins. Determine the length of menstrual cycle before test. Please refer to the chart below to determine when you should start testing. If your cycle is shorter than 21 days or longer than 38 days, consult a physician. If you do