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.
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.
Possible causes that center on the fetus rather than the mother include chromosomal abnormalities, genetic and other syndromes that impair skeletal growth, and defects of the placenta or umbilical cord.
Sleep disorders are a group of syndromes characterized by disturbance in the individual's amount of sleep, quality or timing of sleep, or in behaviors or physiological conditions associated with sleep.
The disorder can result from a defect in formation during the embryonic stage, as a result of certain degenerative diseases, as a part of various genetic syndromes, or as an inherited family trait.
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.
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.
After these syndromes, we come to the entire spectrum of mental illnesses, from depression to paranoia.
Next would come all the various syndromes, which are sets of clinically recognizable symptoms that occur together without a known cause.