Maternal uniparental disomy of chromosome 6 is an uniparental disomy of maternal origin characterized by intrauterine growth retardation. Homozygosity for a recessive disease mutation for which only a mother is a carrier may lead to other phenotypes. The disease is maternal uniparental disomy of chromosome 6 (MONDO_0019912). Also known as: UPD(6)mat, maternal uniparental disomy of chromosome type 6.