<prompt> All of the following are true about cleft lip and palate except:Associated with Treacher-Collins syndromesCleft lip with cleft palate is most common typePierre Robin sequence is the most common syndromeIsolated cleft palate can be diagnosed by ultrasound after 28 weeks gestation  <response>: - Incidence of cleft lip palate is 1:600 live bihs - Incidence of isolated clef palate is 1:1000 live bihs Distribution - In unilateral cleft lip the deformity affects the left side in 60 of cases Typical distribution of Cleft types - Cleft lip alone 15 -Cleft lip palate: 45 MC -Isolated cleft palate: 40 Note: - Isolated cleft palate can be diagnosed by ultrasound after 18 weeks gestation Associated Syndromes: - Although most clefts of the lip and palate occur as an isolated deformity, Pierre Robin Sequence remains the most common syndrome. - Other associated syndromes Sticklers ophthalmic and musculoskeletal abnormalities Sphrintzens cardiac anomalies, Downs, Apes and Treacher-Collins syndromes 