Jeune’s Syndrome or asphyxiating thoracic dystrophy (ATD) is a rare autosomal recessive skeletal dysplasia syndrome characterized by a small and narrow chest, short extremities, and often polydactyly associated with multiple organ manifestations. The severity of complications ranges from mild to lethal. This is a report of two cases of ATD diagnosed in successive pregnancies of a nonconsanguineous couple. The contribution of sonography in prenatal diagnosis of the syndrome is highlighted.