Reference Weights for Placentas Delivered before the 28th Week of Gestation
Hecht JL, Kliman HJ, Allred EN, Pflueger SM, Chang C, Doss BJ, Roberts D, Livasy CA, Bhan I, Zambrano E, Ross DW, Senagore P, Husain AN, Leviton A. Reference Weights for Placentas Delivered before the 28th Week of Gestation. Placenta 2007, 28: 987-990. PMID: 17573110, DOI: 10.1016/j.placenta.2007.04.009.Peer-Reviewed Original ResearchConceptsPost-menstrual weeksSingleton placentasBirth weightPlacenta weightBirth weight z-scoreStandard weight tableWeight z-scoreSmall birth weightWeeks of gestationFetal indicationsLive infantsGestational ageTwin placentasPoor perfusionGrowth restrictionLarger sample sizeZ-scorePlacentaWeeksFetal processesStandard weightReference weightSample sizePreeclampsiaPregnancy