The best way to prevent cleft lip and palate (and also many other birth defects) is by taking care of the mother's health, this includes: adopting healthy habits before getting pregnant, reaching a healthy weight by your physical characteristics, going to general health check-ups before pregnancy, once pregnant avoid alcohol consumption and cigarettes, maintain a nutritious diet, go to check-ups Control regularly and from the beginning of pregnancy, take folic acid and any other supplements that your doctor recommends, and finally avoid self-medication, especially with antibiotics.