49,XYYYY is a rare Y chromosome number anomaly with a variable phenotype mainly characterized by moderate to severe intellectual disability, speech delay, hypotonia, and mild dysmorphic features, incl...
Comprehensive, easy-to-understand information about this condition
How we create this content →Helpful links for rare disease information and support
Questions that may be helpful when speaking with your healthcare team
Helpful links for rare disease information and support
Questions that may be helpful when speaking with your healthcare team
Helpful links for rare disease information and support
Questions that may be helpful when speaking with your healthcare team
Clinical profile data for this condition is not yet available. Phenotype information may still be loading below.
European rare disease database
Genetic and Rare Diseases Info Center
AI-Generated Content: This summary was generated using AI. Always consult with qualified healthcare providers for medical guidance.
Kisho delivers this disease record via API, including phenotypes (HPO), genes, orphan drug designations, screening status, and PAG mapping, with version history and governance.