Ultrasound Obstet Gynecol. During the study, volunteers became pregnant, Family Planning. Shortly after you become pregnant, a hormone called human chorionic gonadotropin hCG starts to appear in your blood. Johnson, Ph.
Before you begin.
Confirming your pregnancy
Back to school is looming in a few weeks This test was not easy to use — it consisted of a test tube and a tube-holder fitted with a special mirror to allow the user to read the results from the bottom of the tube, and it took 2 hours until the results were ready Systematic bias. All of the studies reported a remarkable uniformity in the rise of hCG levels in early pregnancy. The real life accuracy of home-use pregnancy tests may be lower. In contrast, the midstream test stick format was specifically developed to enable women to carry out pregnancy tests easily at home.