My baby is 15 month old and he is pre mature baby he came in 8 month pregnancy. My questions is he is still not able to independent walking. Currently his mature age is 13 month. Please suggest me what to do

A. Reach the milestone between the age of 12 to 17 months but with pre mature kids you can actually expect a deal of a month or two so you can generally wait till the age of 17 months to 19 months for the child to learn to work independently as of now try to make your child stand without any support for at least 5 to 10 seconds because of the child achieve that walking independently isn’t far away