mere baby ka birth weight 2kg tha aur abhi wo sirf 3.5kg ki hai kya koi chinta ki baat hai kuch din pehle use dehydration ho gaya tha uske pehle wo 3.8 kg ki thi

A. Your child should be a minimum of 2 kg more than the child is little behind I expected schedule even after 3800 your child was little behind so it is still decent I would say but if you want you can start giving formula to the child now