Caring for someone with this diagnosis? Eleplan keeps diagnoses, medications, documents and every specialist in one plan.
Start free with EleplanDuchenne and Becker muscular dystrophy
ORPHA:262Clinical group
Also called Severe dystrophinopathy, Duchenne and Becker type
What it is
A group of rare, genetic, progressive muscular dystrophies, including Duchenne muscular dystrophy (DMD), Becker muscular dystrophy (BMD) and a symptomatic form in female carriers. The diseases represent a spectrum of severity ranging from progressive skeletal and cardiac muscle wasting and weakness (DMD, BMD) to less severe muscle weakness or isolated cardiomyopathy affecting carrier females.
Key facts
- Prevalence
- 1-9 / 1 000 000 (United Kingdom)
- Age of onset
- Adolescent, Adult, Childhood
- Inheritance
- X-linked recessive
- Classified as
- Clinical group
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Genes reported in subtypes
Orphanet records these genes on 3 more specific entries under this disorder, not on this entry itself:
A well-studied disease is usually split into subtypes, and the gene is curated on whichever one the evidence belongs to. Open a subtype to see which gene goes with it.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
Powered by Eleplan
A rare diagnosis is just the start. Eleplan keeps the whole care plan in one place.
Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, so you are not retelling the same story to every new specialist. With Ellie, your AI care assistant, on top of it. Free to start.