cleft lip and palate http://www.webmd.com/oral-health/cleft-lip-cleft-palate Cleft Lip and Cleft Palate Full article >>> http://www.webmd.com/oral-health/cleft-lip-cleft-palate fourth most common birth defect Full article >>> Cleft Lip and/or Plate Cleft Lip and Cleft Palate https://www.webmd.com/oral-health/cleft-lip-cleft-palate#1 Cleft lip cleft lip Cleft Palate Full article >>> Cleft Palate Cleft Lip and/or Plate