Confirmation of intrauterine pregnancy
Gestational trophoblastic disease Nongestational malignancies
Suggested Additional Lab Testing
Human chorionic gonadotropin (hCG) tests can be performed using serum or urine.
Urine test is qualitative (yes/no).
Serum test can be qualitative or quantitative.
Serial quantitative measurements of hCG may be useful, especially in suspected ectopic pregnancy, where a low
Low levels of serial serum hCG may identify a spontaneous or threatened abortion.
An insufficient hCG decline after abortion indicates incomplete therapeutic or spontaneous abortion.
Gestational trophoblastic disease: hCG is abnormally high with a high ratio of free beta hCG to total hCG
hCG measurement may also be useful in the diagnosis, prognosis, and management of other tumors, such as testicular tumors.
hCG or a slow rise in the hCG in the absence of an intrauterine sac on ultrasonography suggests an ectopic pregnancy.
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