Hi my baby is 2 and half month,she will be 3months by end of this month,she was born 1.6 kg due to which she was kept in nicu for11days,she is on powder milk and not taken my milk. I want to know a good diet chart to increase her weight,for how long can she be only on milk,when can I start other things,when can I take her out,her weight is now 3.7kg,length is56cm,kidly help I'm very worried