Cleidocranial dysostosis. Prenatal ultrasound diagnosis of a late onset form.

Presents the case of a mild form of cleidocranial dysostosis in a third trimester fetus. Use of ultrasound imaging to determine abnormality of the bone growth; Presence of the same clavicular abnormality in the mother; Diagnosis of autosomal dominant cleidocranial dysostosis in the neonate and her parent.