MONDO_0014870 (NEK9-related lethal skeletal dysplasia) is a rare, lethal, primary bone dysplasia characterized by fetal akinesia, multiple contractures, shortening of all long bones, short, broad ribs, narrow chest and thorax, pulmonary hypoplasia and a protruding abdomen. Short bowed femurs may also be associated. Also known as: LCCS10, lethal congenital contracture syndrome 10, lethal congenital contracture syndrome type 10, lethal skeletal dysplasia-fetal akinesia-contractures-thoracic dysplasia-pulmonary hypoplasia syndrome.