Your doctor will request a blood pregnancy test 12 to 14 days after infertility treatment. This test measures Human Chorionic Gonadotropin hormone (hCG). HCG is secreted by the developing placenta shortly after a fertilized egg has implanted in the uterine lining. The appearance of hCG soon after conception — and its subsequent rise in concentration during early gestational growth — make it an excellent marker for the early detection of pregnancy. A blood measurement of hCG is more accurate than a urine test because hCG is detectable in blood sooner than in urine.
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Approximately 25% percent of women experience some sort of bleeding during their first trimester. There are several potential causes for bleeding during pregnancy, and many doctors believe some bleeding is normal. If you experience bleeding during pregnancy, it is best to inform your doctor right away to rule out major complications.
Pregnancy tests are designed to detect the hormone human chorionic gonadotropin (hCG). HCG is often called the “pregnancy hormone” because it is produced during pregnancy and is made by cells that form the placenta. Blood tests to detect the hormone are conducted by a doctor, while urine tests can be performed at home with a home pregnancy test (HPT).
Dr. Eric Surrey, a fertility doctor at the Colorado Center for Reproductive Medicine explains how we can reduce multiple pregnancies by better evaluating an embryo. Adding chromosomal analysis, or comprehensive chromosomal screening (CCS) increases the chance of a single embryo transfer being successful.