my baby was born prematurely. his birth weight was 1700gm . now he is 7 month 23days old his weight is 6.500gm. he is roll over now. but not sitting himself also not talking is this ok according to his age

A. hi yes it's normal no need to worry give enough play time to your child place support around your child and practice sitting daily for few minutes but don't force your child give gentle massage with Babyhug massage oil everyday