Hiya i started to bf my lo but it wasnt filling her i wasnt producing enough milk so after much deliberation i decided to top her up after bf'ing, this helped a good deal for a few weeks but by the timeshe was 7 weeks old i just couldnt feed her enough so i tried to express only manging one bottle of 5 oz if i was lucky , i felt awful at first but happy baby happy mummy!! she is fully bottle fed now and very content most of the time lol,