Matthew-Wood syndrome

Autosomal dominant, Autosomal recessive

Antenatal, Neonatal

Maxillonasal dysplasia

Autosomal dominant, Autosomal recessive, Multigenic/multifactorial

Neonatal

Mayer-Rokitansky-Küster-Hauser syndrome

Autosomal dominant, Not applicable

Adolescent, Antenatal

Mazabraud syndrome

Not applicable

Adult

McDonough syndrome

Infancy, Neonatal

McKusick-Kaufman syndrome

Autosomal recessive

Antenatal, Neonatal

Meacham syndrome

Autosomal dominant

Infancy, Neonatal

Meckel syndrome

Autosomal recessive

Antenatal

Median nodule of the upper lip

Autosomal dominant

Infancy, Neonatal

Megacystis-microcolon-intestinal hypoperistalsis syndrome

Autosomal dominant, Autosomal recessive

Antenatal, Infancy, Neonatal

Megalencephaly-capillary malformation-polymicrogyria syndrome

Not applicable

Antenatal, Neonatal

Megalencephaly-polymicrogyria-postaxial polydactyly-hydrocephalus syndrome

Autosomal dominant, Not applicable

Infancy, Neonatal

Megalencephaly-severe kyphoscoliosis-overgrowth syndrome

Autosomal recessive

Neonatal

Megalocornea-intellectual disability syndrome

Childhood, Infancy, Neonatal

Melhem-Fahl syndrome

Neonatal

Melkersson-Rosenthal syndrome

Childhood

Melnick-Needles syndrome

X-linked dominant

Childhood

Melorheostosis

Not applicable

All ages

Melorheostosis with osteopoikilosis

Autosomal dominant

All ages

Menke-Hennekam syndrome

Autosomal dominant

Antenatal, Infancy, Neonatal

Mesomelia-synostoses syndrome

Autosomal dominant

Antenatal, Infancy, Neonatal

Mesomelic dwarfism, Reinhardt-Pfeiffer type

Autosomal dominant

Antenatal, Infancy, Neonatal

Mesomelic dwarfism-cleft palate-camptodactyly syndrome

Autosomal recessive

Neonatal

Mesomelic dysplasia, Kantaputra type

Autosomal dominant

Neonatal