Trisomy 9 is a chromosomal condition caused by having three copies of chromosome 9.
The signs and symptoms vary but may include mild to severe intellectual disability, developmental delay, growth problems (both before and after birth), congenital heart defects, and/or abnormalities of the craniofacial (skull and face) region.
Resources
Unique is a website dedicated to providing information on the rarest chromosomal conditions.
National Organization for Rare Disorders is a non-profit patient advocacy organization dedicated to individuals with rare diseases and the organizations that serve them.
Bright Expectations
Find information on evaluation and intervention services, support programs for families, resources for health care providers, and information on developmental disabilities