hello doctor. Hello doctor my baby was born prematurely at 31 + 3 weeks. her birth weight was 1560 gram now her weight is 4600 gm I am noticing that from the last 30 days she is not gaining much weight I am writing here the weight gain of last four months as she was born on 15th of November weight gain month wise first month-. 450 gram second month - 900 gram third month- 1080 gm 4th month-700 gram on 15th of March weight was 4500 gm and now on 31st March weight is 4600 gram What can be the reason of poor weight gain . what should I do to increase the weight.. she is taking similac neosure. she takes 90 ml at a time 6 to 7 times a day. if I tries to give more she pukes out what should be done.