Obstetric NursingCommission on Professional and Hospital ActivitiesMaternal MortalityPregnancy ComplicationsSevere Acute Respiratory SyndromeMorbidityPrevalenceObstetric Labor ComplicationsSARS VirusPostpartum HemorrhageMaternal DeathPregnancyPuerperal DisordersMaternal WelfareDelivery, ObstetricEclampsiaMaternal Health ServicesUterine RupturePregnancy OutcomeHospitals, MaternityVaginal Birth after CesareanPuerperal InfectionCesarean SectionCesarean Section, RepeatTrial of LaborParturitionUterine HemorrhagePostpartum PeriodHypertension, Pregnancy-InducedRisk FactorsPancreatitisSpike Glycoprotein, CoronavirusPre-EclampsiaPrenatal CareMidwiferyCross-Sectional StudiesPregnancy Complications, CardiovascularLabor, ObstetricSeverity of Illness IndexBrazilRetrospective StudiesPancreatitis, Acute NecrotizingInfant, NewbornWorld Health OrganizationAcute DiseaseIncidenceSocioeconomic FactorsProspective Studies