My son is 4 1/2 months and at his most recent MD appointment he only gained .4 lbs and dropped to the 4th percentile. In hindsight he was fussing a lot more at the breast but I chalked it up to his 4 month growth spurt. The MD suggested I supplement with breastmilk in a bottle after each feeding. If I couldn't sustain that, I should give formula. Prior to this I was pumping 1x/day to increase my frozen supply for my return to work. I can pump between 2-4 oz. I started taking fenugreek bc for a while it was only like 2 oz and he was fussing so I thought I had a supply issue. now that I've given him a bottle of either formula or breast milk with each feeding he won't breast feed anymore. After about 30 seconds to a minute into breast feeding he pulls off screaming. I am unsure if he's frustrated that my letdown isn't fast enough or that my supply isn't good enough. What do you suggest I do? I don't want to not give him a bottle bc of his weight gain issues. But I really do want to continue breast feeding.