Any NICU nurses/parents?

girlmomx3
My daughter is 35 weeks adjusted. Her ng tube was removed a few days ago. She's been a little under what she should be eating volume wise (1/2 oz under). A NICU doctor wants to maybe put her back on the ng tube. My question is, if she is still gaining weight is the tube really necessary? I feel uncomfortable with having them put it back in and I want to tell them no. Any advice is appreciated.