A family of genetic syndromes that are caused by changes in the same gene, Fragile X can result in impairments in a spectrum that ranges from mild learning problems with a normal range IQ to severe developmental disabilities.
Children who have immunodeficiency syndromes may be subject to infection, diseases, disorders, or allergic reactions to a greater extent than individuals with fully functioning immune systems.
Polydactyly and syndactyly are usually isolated conditions, meaning the child will have no other birth defects; however, both are also found in many complex and sometimes lethal groups of anomalies or syndromes.
Some specific conditions associated with diabetes mellitus, such as hemachromatosis, and the Laurence-Moon Biedl, Alstrom, and Cushing syndromes, also typically produce hypogonadism.
The multiple endocrine neoplasia (MEN) syndromes are three related inherited disorders affecting the thyroid and other hormone producing (endocrine) glands of the body.