My baby is preterm 35w+6d.at birth he was affected by jaundice& blood transfusion had done.now he is 8 months bt still his head is not stable.he smiled face to face at 3 months+5 days.he is grasping object well.he is following the object well.he is responding sounds too.in mri under impression denotes asymmetry of lateral ventricles left>right.is there any problem? Mentally disabled child can do this normal activities or not at this month Bcz he is active n doing well everything bt the head only not stable.he s formula fed baby.am confused.plz clarify.thank you.