My baby girl is getting pumped breast milk and formula. Most of the time she's been eating 2 ounces but lately we've been having to add an extra ounce or she's extra fussy. Is this too much for a 2 1/2 week old or is it okay? She was smaller at birth 6 lbs 10 oz and lost some so we had to start supplementing with formula. She was on enfamil neuropro but we just switched to gentlease for gas. Also, if she doesn't poop as much should I be concerned? Sorry I'm a FTM and paranoid about everything.