“…This plays a crucial role in cell adhesion and could result in the failure of palatal ridges fusion during intrauterine life between the 5th and 12th week. 8,11 It is also important to consider other genes involved in this malformation such as MSX1, GLI2, JAG2, SATB2, LHX8, SKI, ERBB2, TGFA, TGFβ2, TGFβ3, FGF, SPRY2, TBX10 and MSX2. 7,8,12,13 Other possible factors include physical, chemical or environmental factors (drugs, smoking, alcohol) (Paradowska), diseases during the first trimester of pregnancy, eg rubella, influenza, gestational diabetes, radiation according to its intensity, duration and frequency of exposure, maternal age, use of teratogenic agents such as cortisone, carbamazepine, phenytoin, valproate, diazepam, diets low in riboflavin and folic acid, organic solvents, and stress.…”