It could be that her milk needs have been overestimated or that expectations about her growth are unrealistic given her circumstances. The first step toward solving this puzzle is to identify if your baby is underfeeding. Underfeeding means a baby is not ingesting enough milk to meet her growth and energy needs.
What’s the babies age? Can you share her birth weight, current weight, pee and poo counts through the day?
Yeshma Borkar