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The Back to Sleep campaign encourages the supine sleep position during infancy, but this practice might be associated with an increasing incidence of posterior cranial deformations. To examine the incidence of and characteristics associated with congenital cranial deformation, investigators prospectively examined neck range of motion and torticollis, plagiocephaly, and facial asymmetry (by photographic analysis) in 102 healthy newborns.
Overall, 92% of babies were in the vertex position in utero, 73% were delivered vaginally, and 10% experienced birth trauma. Nearly all babies were described as active, although 36% were described as “stuck” or in the same position during the third trimester. Seventy-three percent of newborns had at least one…