1986
The value of serial human chorionic gonadotropin testing as a diagnostic tool in ectopic pregnancy
Romero R, Kadar N, Copel J, Jeanty P, DeCherney A, Hobbins J. The value of serial human chorionic gonadotropin testing as a diagnostic tool in ectopic pregnancy. American Journal Of Obstetrics And Gynecology 1986, 155: 392-394. PMID: 3740163, DOI: 10.1016/0002-9378(86)90838-0.Peer-Reviewed Original ResearchConceptsEctopic pregnancySerial human chorionic gonadotropin determinationsHuman chorionic gonadotropin testingHuman chorionic gonadotropin titersHuman chorionic gonadotropin determinationsSlope of changeIntrauterine pregnancyMIU/Serial titersGonadotropin determinationsCutoff valuePregnancyPatientsTitersDiagnostic toolTime curvePositive rateAbnormal slopeFalse positive rate
1985
The effect of different human chorionic gonadotropin assay sensitivity on screening for ectopic pregnancy
Romero R, Kadar N, Copel J, Jeanty P, DeCherney A, Hobbins J. The effect of different human chorionic gonadotropin assay sensitivity on screening for ectopic pregnancy. American Journal Of Obstetrics And Gynecology 1985, 153: 72-74. PMID: 4037000, DOI: 10.1016/0002-9378(85)90593-9.Peer-Reviewed Original ResearchDiagnosis of ectopic pregnancy: value of the discriminatory human chorionic gonadotropin zone.
Romero R, Kadar N, Jeanty P, Copel J, Chervenak F, DeCherney A, Hobbins J. Diagnosis of ectopic pregnancy: value of the discriminatory human chorionic gonadotropin zone. Obstetrics And Gynecology 1985, 66: 357-60. PMID: 3895079.Peer-Reviewed Original ResearchConceptsIntrauterine gestational sacEctopic pregnancyHuman chorionic gonadotropinGestational sacPredictive valueSerum hCG determinationsPercent of patientsPelvic ultrasound examinationMIU/mLNegative predictive valuePositive predictive valueHCG levelsIntrauterine gestationSerum levelsProspective studyMIU/Spontaneous abortionUltrasound examinationHCG concentrationsChorionic gonadotropinHCG determinationsPregnancyPatientsSacGestation