or Patau's syndrome caused by meiotic nondisjunction; major clinical findings include abnormal brain development, cleft palate and postaxial polydactyly.

a genetic disorder in which an individual has an extra 13th chromosome, characterized by mental retardation and malformed ears in all patients, and in most patients cleft lip or palate, small mandible, polydactyly, cardiac defects, convulsions, renal anomalies, intestinal malrotation, and dermatoglyphic anomalies; the condition is usually fatal within several weeks or months of birth

A chromosomal (genetic) disorder where there is and extra copy of all or part of Chromosome 13 leading to a series of birth defects. For more information see the Factsheet on Trisomy 13.

A congenital condition causing severe mental retardation and death before birth or in early infancy. Caused by an extra chromosome number 13.

See Patau Syndrome.

Caused by an extra copy of chromosome 13, which results in multiple birth defects and severe mental retardation.

A severe chromosomal disorder caused by the presence of an extra #13 chromosome. If liveborn, death usually occurs by 6 months, although a rare child may survive for years.

the presence of three #13 chromosomes, also known as Patau syndrome.

Rare chromosomal disorder in which the range and severity of associated symptoms vary across individuals. These symptoms may include small wide-set eyes, cleft lip and palate, extra fingers and toes, scalp defects, malformed low-set ears, microcephaly, me