You should have dental check-ups before your baby is born. If dental treatment is necessary during pregnancy you should try to schedule it during the second trimester of your pregnancy. Substrate The substrate for s.mutans comes from juice, milk, formula, or any other liquid sweetened with fermentable carbohydrates. A favorite trick among parents in the UK used to be to thicken vitamin syrups with honey or other sugar syrup to ensure long feeding. The pacifier dipped in honey is another bad habit.
Honey needs to be avoided in the first year of life.
It has been associated with cases of infantile botulism. The botulism spores have also been detected in commercial corn syrups. One thing I see here in the U.S. are baby bottles with soda labels. This may encourage parents to give their children a nursing bottle with carbonated sodas. Unfortunately we indeed see children with soda or juice in their bottle.