Girls hello! I have a question, very little milk. Max is 10 lbs and al…

Girls hello! I have a question, very little milk. Max is 10 lbs and all that's left? Feeding with formula, my daughter is weak, we are treating jaundice now, with the son there was plenty of milk, but here it's formula (( what to do? Initially, she ate milk like this, and then in the hospital, these experiences gave their own, 8 days in the hospital.