breastfeeding to formula feeding

Thanks for the adv. I also have problems with pumping -1) I kept getting plugged ducts every time i pump and 2) my job nature has it that it's hard for me to take time out to pump. No proper place to pump also. As it is now, I don't have enough to DF even with both breasts. She cries after every feed and I have to supplement with FM. My baby's paed has prescribed a fm brand for us. She's taken fm in the first week of birth as I didn't hv milk then.