I definitely understand that you want to take those quilts for your own grandbabies but I would have concern that they could get lost in the hospital setting. When the girls are big enough, the hospital will probably request clothes from the family for them but be prepared that things happen in that setting. I'd suggest you make quilts for donation for other babies and reserve the ones you've made for your own. I have a preemie grandchild and the hospital even sent quilts home with the family. Some were of lesser quality and some were good. One that surprised me had a pieced top on a mattress pad--no back!--but it worked for the use intended and became an excellent tummy-time quilt for the floor.