How much

Tiffany
How do you know how much breast milk your LO is drinking if you've never pumped your breast & fed them a bottle? My LO is almost 2 months & I EBF at birth she was 7.7 she was 6.2 when we left the hospital at her first checkup she was 8.0 and after that she was 10.0 I'm by no means worried about her gaining weight I just don't know how much she is getting