Ewan is currently on a "gain weight" program. Sounds fun, huh? :) He has consistently lost weight at his last three doctor's visits. The pediatrician reassured me that he is happy and healthy, but formula would be a good option for him now. I'm still nursing him morning and night, but have added a formula bottle to each one of those feedings, plus a couple more throughout the day. He has another weight check on Friday, hopefully Enfamil does the trick.