As in previous reports from the RISK study, there was a shift in the types of bacteria present in the ileum of children with newly diagnosed Crohn's disease.
AAP Car Seat Safety Guidelines: Rear-Facing Until Age 2. 1  Although the new baseline is now age two, the AAP has advised parents since 2002 to keep kids rear-facing until they reach the height or weight limit of their car seat.
You're pediatrician is correct that it's recommended that children remain rear-facing up to 2 years or the upper height and/or weight limit of the child's car seat. Therefore, you can keep your child rear-facing as long as he hasn't reached the upper height or weight limit of his current seat.