Car seat question

I plan on keeping her rear facing until she maxes out height or weight for rear facing. It's safest.

we still rear face our son and will continue to do so until he’s at least 3-4 years old

My pediatrician said to keep her in rear facing until she is two

Two is the bare minimum, but longer if at all possible is considered best practices. Ayden is tiny for his age, my goal is at least four years old

Minimum