The protocol most commonly used is the triple marker screen, which measures serum levels of alpha-fetoprotein (AFP), unconjugated estriol (uE3), and beta-human chorionic gonadotropin (beta-hCG).

Investigations. Measurement of serum levels of tumor markers, including α-fetoprotein, hCG and lactate dehydrogenase, scrotal ultrasonography, HIV-1 reverse transcriptase polymerase chain ...

2000 IU/l (TVS) 0.81 •A serum hCG of >2000 IU/l was found to indicate an ectopic pregnancy in women with no signs of an ectopic pregnancy on TVS •In women where TVS showed an ectopic mass or ...

On day one of the study, the patient was given an intramuscular injection of methotrexate. The patient returned to the clinic ...