Confirmation of pregnancy & to help diagnose and monitor a pregnancy that may be failing, and/or to monitor a woman after a miscarriage. This assay is used for diagnosing pregnancy and aids in the investigation of suspected ectopic pregnancy. It is also used for monitoring in vitro fertilization patients.Quantitative Serum Beta hCG testing, often called beta hCG (?-hCG), measures the amount of hCG present in the blood. It may be used to confirm a pregnancy. It may also be used, along with a progesterone test, to help diagnose an ectopic pregnancy,