TwinsDiseases in TwinsTwins, MonozygoticTwins, ConjoinedTwins, DizygoticPatient Care TeamTwin Studies as TopicPregnancy, TwinNursing, TeamPregnancy, MultipleHospital Rapid Response TeamFetofetal TransfusionPregnancyInstitutional Management TeamsTripletsInterdisciplinary CommunicationEnvironmentPregnancy Reduction, MultifetalInfant, NewbornInterprofessional RelationsGestational AgePregnancy OutcomeCooperative BehaviorFetal DeathChorionUltrasonography, PrenatalGenetics, BehavioralBirth WeightGene-Environment InteractionSocial EnvironmentTwinning, MonozygoticRegistriesLeadershipFetoscopyManagement Quality CirclesQuestionnairesRisk FactorsDenmarkQuadrupletsSwedenPolyhydramniosOperating RoomsGenetic Predisposition to DiseaseCohort StudiesReproductive Techniques, AssistedDermatoglyphicsPhenotypeDelivery, ObstetricRetrospective StudiesTwin StudyModels, OrganizationalBirth Order