Cri du chat syndrome is a rare genetic disorder caused by missing pieces on chromosome 5. The symptoms of cri du chat syndrome can vary depending on the size and area of the deletion of chromosome 5. However, some common symptoms include:

• A high-pitched, cat-like cry or weak cry that sounds like a cat
• Low birth weight
• A small head (microcephaly)
• A rounded face
• A broad, flattened bridge of the nose
• Widely set eyes (hypertelorism)
• Low-set ears
• A small jaw (micrognathia)
• Slow growth
• Weak muscle tone (hypotonia) in infancy
• Partial webbing or fusing of fingers or toes
• Intellectual disability
• Delays in the acquisition of skills requiring the coordination of muscular and mental activities (psychomotor disability)
• Moderate to severe intellectual disability
• Skin tags just in front of the ear
• Curvature of the spine (scoliosis)
• Single line...