maternal uniparental disomy of chromosome 20 https://www.malacards.org/card/mulchandani_bhoj_conlin_syndrome Orphanet:96186 UPD(20)mat icd11.foundation:700797720 maternal UPD(20) UMLS:C4275029 Maternal uniparental disomy of chromosome 20 (UPD 20) is a very rare chromosomal anomaly in which both copies of chromosome 20 are inherited from the mother. The main feature described is prenatal and postnatal growth retardation. Microcephaly, minor dysmorphic features and psychomotor developmental delay have been occasionally reported. Maternal UPD20 is most often ascertained by a mosaic trisomy 20 pregnancy. GARD:0016849 MONDO:0019917 DOID:0111714 MBCS maternal uniparental disomy of chromosome type 20 OMIM:617352 MEDGEN:909388 SCTID:715735007 chromosome 20 disorder uniparental disomy