Cleft lip is a separation in one or both sides of the lip that is present at birth. Early in the development of the baby inside the mother, the left and right sides of the face and the roof of the mouth join together or “fuse.” If the two sides do not come together correctly, an opening in the lip may occur. This opening can be on just one side of the face, called a unilateral (yoon-ill-lat-er-ool) cleft, or on both sides of the face, called a bilateral (by-lat-er-ool) cleft. A cleft lip that goes up to the nose is called a complete cleft lip; otherwise the cleft is called an incomplete cleft lip.
Left untreated, a child born with a cleft lip may face problems with feeding, growth, development, ear infections, hearing, speech and facial appearance. The cleft lip usually is corrected early in a child’s life, between 3 to 6 months of age, but sometimes later.
Cleft lip surgery will correct the cleft and usually will leave minimal scarring. Virtually every child born with a cleft lip is able to lead a healthy, happy life once the cleft has been repaired.