1994
Early and late presentation of the ovarian hyperstimulation syndrome: two distinct entities with different risk factors*
Lyons CA, Wheeler CA, Frishman GN, Hackett RJ, Seifer DB, Haning RV. Early and late presentation of the ovarian hyperstimulation syndrome: two distinct entities with different risk factors*. Human Reproduction 1994, 9: 792-799. PMID: 7929724, DOI: 10.1093/oxfordjournals.humrep.a138598.Peer-Reviewed Original ResearchConceptsLate ovarian hyperstimulation syndromeOvarian hyperstimulation syndromeSevere ovarian hyperstimulation syndromeNumber of oocytesHyperstimulation syndromeEarly ovarian hyperstimulation syndromePost-human chorionic gonadotrophinDifferent risk factorsStepwise logistic regressionSeries of casesDay-hCGMultiple gestationsClinical predictorsFertilization cyclesGestational sacEarly pregnancyLate presentationOestradiol concentrationsSerum concentrationsEgg retrievalRisk factorsHigh oestradiolAcute effectsChorionic gonadotrophinRetrospective analysis
1993
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