when does cleft palate form
Cleft Palate. The roof of the mouth (palate) is formed between the sixth and ninth weeks of pregnancy. A cleft palate happens if the tissue that makes up the roof of the mouth does not join together completely during pregnancy.For some babies, both the front and back parts of the palate are open.lick here to view a larger image. Click here to view a larger image. Cleft lip and cleft palate are birth defects that occur when a babyâs lip or mouth do not form properly during pregnancy. Together, these birth defects commonly are called âorofacial cleftsâ. These birth defects happen early during pregnancy.