1998
A prospective study of reproductive factors and oral contraceptive use in relation to the risk of uterine leiomyomata
Marshall L, Spiegelman D, Goldman M, Manson J, Colditz G, Barbieri R, Stampfer M, Hunter D. A prospective study of reproductive factors and oral contraceptive use in relation to the risk of uterine leiomyomata. Fertility And Sterility 1998, 70: 432-439. PMID: 9757871, DOI: 10.1016/s0015-0282(98)00208-8.Peer-Reviewed Original ResearchConceptsOral contraceptive useUterine leiomyomataContraceptive useReproductive factorsOral contraceptivesProspective studySelf-reported uterine leiomyomataHistory of infertilitySelf-reported diagnosisPremenopausal nursesPremenopausal womenMedical recordsRisk factorsMAIN OUTCOMEElevated riskLast birthLeiomyomataYounger ageFirst birthNotable associationAge 13HysterectomyContraceptivesRiskAge
1997
Oral Contraceptives and Ovulatory Causes of Delayed Fertility
Chasan-Taber L, Willett W, Stampfer M, Spiegelman D, Rosner B, Hunter D, Colditz G, Manson J. Oral Contraceptives and Ovulatory Causes of Delayed Fertility. American Journal Of Epidemiology 1997, 146: 258-265. PMID: 9247010, DOI: 10.1093/oxfordjournals.aje.a009261.Peer-Reviewed Original ResearchConceptsOvulatory causeOral contraceptivesMultivariate relative riskOral contraceptive useReturn of fertilityHistory of infertilityCase-control studyPercent of casesDuration of useMethod of contraceptionOvulatory infertilityPrevious pregnancyEventual pregnancyHormonal disordersRelative riskContraceptive useYounger agePregnancyMarried nursesNursesWomenContraceptivesInfertilityDelayed fertilityFirst use