I have a baby girl.At the time of birth her weight was 3 kg. But after that she was not able to digest mother milk. .So doctor sai to stop feeding for some days. I hv stop feeding for 20 days. Then started feeding. But my baby's weight not gaining properly. Now she is of 13 months old and weight is 7.8 kg. Shebis not eating properly. And some days if she eat properly then vomiting due to access food. I think she is not able to digest food. My doctor gas given medicine SP LYCIN for weight gain.Should I continue that drops for long time? I also want to know How much weight should be for a baby girl at 13 months age? What should I give her to eat every day for calories gain? What kind of problem will be there if weight is less?