My DD2 is 4 months old and we finally had a really great weight check at 7.7oz gained/week for 7 weeks! She only gained half as much before that in the same number of weeks. Right after that last low weight check we switched to only feeding in the side lying position b/c of oversupply and she seemed to prefer it, and she gained 2x the weight! Yay!!! Just wanted to share. She is EBF and won't take a bottle.