34 weeker

Has anyone else had their baby at 34 weeks? What was their birth weight? How much did they weigh by 4 months old? I'm still adjusting to having a preemie, believe it or not, it's a lot harder than I thought it would be. I feel like she still doesn't eat very much, maybe 20 ounces in a day at best. I want to make sure I shouldn't be waking her up more and feeding her more often. I will ask doctor at our appointment in two weeks but thought I'd ask here first.