Beta HCG (BHCG or blood pregnancy test) may be performed by your doctor if they suspect that you may be pregnant, or if you suspect pregnancy yourself! Usual pregnancy symptoms include a missed or late period (amenorrhea), breast fullness or tenderness, or nausea and vomiting (morning sickness).. Monitoring patients for retained products of conception . Aiding in the diagnosis of gestational trophoblastic disease (GTD), testicular tumors, ovarian germ cell tumors, teratomas, and, rarely, other human chorionic gonadotropin (hCG)-secreting tumors. Beta hCG is considered a , which means it’s a substance that’s excreted by some kinds of tumors. That’s why, in some cases, the hCG blood test may also be used to evaluate and manage certain . Quantitative (reported as a number) hCG testing (also called beta hCG) measures the actual amount of hCG present in the blood. It may be used to help diagnose an ectopic pregnancy , to help diagnose and monitor a pregnancy that may be failing, and to monitor a woman after a miscarriage.. Beta-hCG (bHCG) is a sex hormone found in the mother's blood serum that can be used to help interpret obstetric ultrasound findings. Beta-hCG levels may be used in three ways in the clinical setting of pregnancy: qualitatively, for presence/abs. Online book. Successful conception is clinically confirmed by a blood test for the presence of beta HCG. It is the most sensitive, accurate and reliable of pregnancy tests. When you finally get pregnant, the doctor will monitor the health of your pregnancy by measuring your beta HCG ( also known as beta) levels..