2015
Letrozole, Gonadotropin, or Clomiphene for Unexplained Infertility
Diamond MP, Legro RS, Coutifaris C, Alvero R, Robinson RD, Casson P, Christman GM, Ager J, Huang H, Hansen KR, Baker V, Usadi R, Seungdamrong A, Bates GW, Rosen RM, Haisenleder D, Krawetz SA, Barnhart K, Trussell JC, Ohl D, Jin Y, Santoro N, Eisenberg E, Zhang H. Letrozole, Gonadotropin, or Clomiphene for Unexplained Infertility. New England Journal Of Medicine 2015, 373: 1230-1240. PMID: 26398071, PMCID: PMC4739644, DOI: 10.1056/nejmoa1414827.Peer-Reviewed Original ResearchConceptsUnexplained infertilityMultiple gestationsOvarian stimulationClinical pregnancyStandard therapyLive birth ratePatent fallopian tubesMultiple gestation ratesYears of ageFetal heart activityLetrozole groupNeonatal complicationsClomiphene citrateTriplet gestationsOngoing pregnancyPrimary outcomeGonadotropin treatmentFallopian tubeGestation rateCongenital anomaliesPregnancy rateWomen 18Live birthsClomipheneLetrozole
2014
Letrozole versus Clomiphene for Infertility in the Polycystic Ovary Syndrome
Legro RS, Brzyski RG, Diamond MP, Coutifaris C, Schlaff WD, Casson P, Christman GM, Huang H, Yan Q, Alvero R, Haisenleder DJ, Barnhart KT, Bates GW, Usadi R, Lucidi S, Baker V, Trussell JC, Krawetz SA, Snyder P, Ohl D, Santoro N, Eisenberg E, Zhang H. Letrozole versus Clomiphene for Infertility in the Polycystic Ovary Syndrome. New England Journal Of Medicine 2014, 371: 119-129. PMID: 25006718, PMCID: PMC4175743, DOI: 10.1056/nejmoa1313517.Peer-Reviewed Original ResearchConceptsPolycystic ovary syndromeOvary syndromeCongenital anomaliesLive birthsHigh incidenceOvulation rateSignificant between-group differencesCumulative ovulation rateNormal uterine cavityOverall congenital anomaliesBetter pregnancy outcomesPatent fallopian tubesCumulative live birthMajor congenital anomaliesBetween-group differencesYears of ageClomiphene groupLetrozole groupRotterdam criteriaAdverse eventsHot flushesPregnancy outcomesInfertile womenMulticenter trialPrimary outcome