Matthew-Wood syndrome

Autosomal dominant, Autosomal recessive

Antenatal, Neonatal

Maxillonasal dysplasia

Autosomal dominant, Autosomal recessive, Multigenic/multifactorial

Neonatal

May-Thurner syndrome

Not applicable

Mayer-Rokitansky-Küster-Hauser syndrome

Autosomal dominant, Not applicable

Adolescent, Antenatal

Mayer-Rokitansky-Küster-Hauser syndrome type 1

Autosomal dominant, Not applicable

Adolescent, Antenatal

Mayer-Rokitansky-Küster-Hauser syndrome type 2

Autosomal dominant, Not applicable

Adolescent, Antenatal, Neonatal

Mazabraud syndrome

Not applicable

Adult

McCune-Albright syndrome

Not applicable

Childhood

McDonough syndrome

Infancy, Neonatal

McKusick-Kaufman syndrome

Autosomal recessive

Antenatal, Neonatal

McLeod neuroacanthocytosis syndrome

X-linked recessive

Adult

Meacham syndrome

Autosomal dominant

Infancy, Neonatal

Meckel syndrome

Autosomal recessive

Antenatal

Meconium aspiration syndrome

Not applicable

Infancy, Neonatal

Medial condensing osteitis of the clavicle

Not applicable

Adolescent, Adult, Childhood

Median cleft lip/mandible

Not applicable

Neonatal

Median facial cleft

Antenatal, Neonatal

Median nodule of the upper lip

Autosomal dominant

Infancy, Neonatal

Mediastinal arteriovenous malformation

Not applicable

Medich giant platelet syndrome

Infancy, Neonatal

Medium chain acyl-CoA dehydrogenase deficiency

Autosomal recessive

Infancy, Neonatal

Medullary sponge kidney

Autosomal dominant, Not applicable

Adult, Childhood

Medullary thyroid carcinoma

Not applicable

Adult

Medulloblastoma

Not applicable

All ages