If your baby's weight is heavy & for your safety of you and baby yes they will ask to induce. They are afraid your baby weight gain till 4.0kg and you will have to go thru C Sect instead of normal birth. Not all mummies birth canal is big. It can cause tearing and longer healing process. Induced can be much more painful when contraction start then natural waterbag burst with contraction. If you feel that no induced needed, then got to watch the next few weeks till EDD.