Birth InjuriesPremature BirthBrachial PlexusSyringomyeliaInfant, NewbornPregnancyInfant, PrematureObstetric Labor, PrematureBirth WeightInfant, Low Birth WeightGestational AgePregnancy OutcomeCongenital AbnormalitiesWounds and InjuriesAbortion, VeterinaryInfant, Premature, DiseasesPregnancy Complications