Chromosome 13, partial monosomy 13q is a rare genetic condition. This condition results from a mutation or error in a person’s DNA or genes. This can cause birth defects such as low birth weight, abnormalities of the eyes, and defects of the hands and/or feet, as well as delays in gaining skills involved in coordination and varying degrees of intellectual disability. Although there is currently no cure for chromosome 13, partial monosomy 13q, there are various resources to help manage the condition and treat birth defects. Doctors seek help from various therapists and community services to provide support and care for families affected by chromosome 13, partial monosomy 13q.