Hello doc, i want to ask. My 2 years son is very tall . He looks like a 3 year kid . Its not like he grow suddenly but when he was 18 month he was 89cm and now 98cm . His weight and head is according to his height. He is an active child and has good gross and fine motor skills . His speech is delay but communicate through some words and gestures. Is it okay to be this tall? His father is 6.1 and i am 5.6 in height.