The exact sex ratio is not known although reports indicate that females outnumber males by 2 to 1.

Cri du chat syndrom. It is not the result of anything the parents have done or failed to do. Cri du chat syndrome is rare. The disorder is also called cat cry syndrome or chromosome deletion 5p syndrome.

The clinical picture, severity, and progression of the disease vary depending on the region of the chromosome deleted and. Definition cri du chat syndrome occurs when a piece of chromosomal material is missing from a particular region on chromosome 5. Cri du chat syndrome is a rare genetic disorder caused by missing pieces on a particular chromosome.

The condition affects an estimated 1 in 50,000 live births across all ethnicities and is more. Little deletion may not affect, but a large one threatens life and organisms may not survive the adult. The disorder is characterized by intellectual disability and delayed development, low birth weight, and failure to thrive.

However, the prognosis is grim. Not all babies with the missing piece of chromosome 5 will develop cri du chat syndrome. Most deficiencies are harmful and injurious to organisms.

Cri du chat syndrome is a chromosome problem caused by a missing piece of chromosome 5. Cri du chat syndrome is a group of symptoms that result from missing a piece of chromosome number 5. Individuals with this syndrome have unusual facial features, poor muscle tone (hypotonia), small head size.

Cri du chat syndrome is a hereditary chromosomal condition that results when a piece of chromosome 5 is missing. The clinical picture, severity, and progression of the disease vary depending on the region of the chromosome. Characteristics of this disorder are intellectual disability, delayed development, small head, low birth weight, weak.