Hospital DepartmentsMassachusettsHospitals, GeneralBostonObstetricsCaregiversRetrospective StudiesHospitalsFranceTreatment OutcomeQuestionnairesHospitals, DistrictGynecologyObstetrics and Gynecology Department, HospitalEmergency Service, HospitalHospitals, TeachingHospitals, UniversityPsychiatric Department, HospitalHospitals, SpecialEnglandHospital CostsProspective StudiesPregnancyMedical AuditUnited StatesNursing Staff, HospitalHospitals, UrbanLength of StayHospitalizationPatient AdmissionEmergenciesHospital Bed Capacity