Smit, Y Obstetric outcome of elderly low-risk nulliparae. [electronic resource] - International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics Oct 1998 - 7-14 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0020-7292 Standard No.: 10.1016/s0020-7292(98)00121-0 doi Subjects--Topical Terms: AdultAge FactorsBirth WeightCohort StudiesFemaleFetal DeathHumansIncidenceInfant MortalityInfant, NewbornMaternal AgeMiddle AgedNetherlands--epidemiologyObstetric Labor Complications--epidemiologyParityPregnancyPregnancy Complications--epidemiologyPregnancy Outcome--epidemiologyProspective StudiesReference ValuesReferral and Consultation--statistics & numerical dataRisk Assessment