hello mam i m new here....my baby was born 6 month premature her weight was 0.870 gram.she spent 3 month in NICU...her due date was 1 may 2016 but she born 31 January 2016...in NICU she cant latching directly so doctor advice use nipple shield ...now i m still using shield because she is not taking without shield...i hv try so many but she is not ....pls tell me it s side effect ...now her weight is only 7 kg ..is it norml or under weight.......