Urine hCG beta-subunit core fragment, a sensitive test for ectopic pregnancy
Cole LA, Kardana A, Seifer DB, Bohler HC. Urine hCG beta-subunit core fragment, a sensitive test for ectopic pregnancy. The Journal Of Clinical Endocrinology & Metabolism 1994, 78: 497-499. PMID: 7508952, DOI: 10.1210/jcem.78.2.7508952.Peer-Reviewed Original ResearchConceptsTubal pregnancyBeta-core fragmentEmergency roomIntrauterine pregnancyEctopic pregnancyPregnancy levelsUrine samplesNormal levelsNormal intrauterine pregnancyPregnancy serum samplesMicrograms/LPregnancy concentrationsHCG levelsNormal pregnancyAdditional patientsBeta immunoreactivityHCG testPregnancy samplesPregnancyMedian levelsPredictive valueHCGSerum samplesGlycoprotein hormonesSensitive test