Preferred Label : Blomstrand Type Chondrodysplasia;
Alternative definition : NICHD: An autosomal recessive lethal condition caused by inactivating mutation(s)
in the PTH1R gene, encoding parathyroid hormone/parathyroid hormone-related peptide
receptor. This condition is characterized by short limbs, polyhydramnios, hydrops
fetalis, facial anomalies, increased bone density, and advanced skeletal maturation.;