Neurodevelopmental Disorder with Poor Growth and Skeletal Anomalies, also known as nedgs, is related to developmental and epileptic encephalopathy 9 and intellectual developmental disorder, autosomal dominant 21. An important gene associated with Neurodevelopmental Disorder with Poor Growth and Skeletal Anomalies is PCDHGC4 (Protocadherin Gamma Subfamily C, 4). Affiliated tissues include brain, and related phenotypes are intellectual disability and microcephaly