Selecting human chorionic gonadotropin immunoassays: Consideration of cross-reacting molecules in first-trimester pregnancy serum and urine
Cole L, Seifer D, Kardana A, Braunstein G. Selecting human chorionic gonadotropin immunoassays: Consideration of cross-reacting molecules in first-trimester pregnancy serum and urine. American Journal Of Obstetrics And Gynecology 1993, 168: 1580-1586. PMID: 8498446, DOI: 10.1016/s0002-9378(11)90802-3.Peer-Reviewed Original ResearchConceptsHuman chorionic gonadotropinTotal human chorionic gonadotropin levelHuman chorionic gonadotropin levelsTotal human chorionic gonadotropinChorionic gonadotropin levelsChorionic gonadotropinGonadotropin levelsPregnancy serumFirst trimester pregnancy seraHuman chorionic gonadotropin resultsNicked human chorionic gonadotropinHuman chorionic gonadotropin immunoassaysFree beta subunitGonadotropin resultsEarly pregnancyCross-reacting moleculesHome test kitsPregnancy testBeta assaysGonadotropinMedian levelsDiscordant resultsDifferent commercial kitsSerum samplesFree beta