Question: what to give a 3 month old baby to poop?
Answer: Share on Pinterest A small amount of pure apple juice can help soften stool. After a baby reaches 2–4 months of age, they can have a small amount of fruit juice, such as 100-percent prune or apple juice. This juice may help treat constipation. Experts may recommend starting with about 2–4 ounces of fruit juice.