A congenital spilt in the upper lip on one or both sides of the center.
Often it's associated with a cleft palate
A cleft plate is a congenital spilt in the roof of the mouth.
When there is not enough tissue in the mouth or lip area.
How to Prevent Cleft Lips
Forms between the fourth through seventh weeks of pregnancy.
The opening in the lip can be a small slit or it can be a large opening that goes through the lip into the nose.
Children with cleft lips, also can have a cleft palate.