Bed Rest With a Short Cervix on Preterm Birth

Conditions: Preterm Birth; Cervical Insufficiency; Bed Rest; Pregnancy Complications; Immobilization; Depression, Postpartum; Pregnancy Outcome; Infant, Premature; Uterine Cervical Incompetence; Premature Birth; Obstetric Labor, Premature; Physical Activity; Bone Density

Interventions: Behavioral: Activity Restriction; Behavioral: No Activity Restriction

Sponsors: Julie Glavind; Aarhus University Hospital; University of Aberdeen; Rigshospitalet, Denmark; Odense University Hospital; Aalborg University Hospital; Zealand University Hospital

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