motor developmental delay due to 14q32.2 paternally expressed gene defect maternal uniparental disomy of chromosome 14 Maternal uniparental disomy of chromosome 14 is a rare chromosomal anomaly characterized by prenatal and postnatal growth retardation, hypotonia, motor delay, early puberty, obesity, short adult stature, small hands and feet, mild intellectual disability, and mild dysmorphic facial features (frontal bossing, short nose with wide nasal tip, micrognathia, high palate, short philtrum). MONDO:0019915 GARD:0016848 MEDGEN:1841563 icd11.foundation:171193570 maternal uniparental disomy of chromosome type 14 UMLS:C5680248 UPD(14)mat Orphanet:96184 chromosome 14 disorder uniparental disomy