Question: how many litres of water should you drink a day when breastfeeding?
Answer: Do breastfeeding mothers need extra fluids? The Institute of Medicine notes that the median amount of fluids typically consumed by breastfeeding mothers is 3.1 liters (13 cups), compared to 2.2 liters/9 cups for non-pregnant/lactating women and 2.3 liters/10 cups for pregnant women.