Baby having trouble going? 💩 While constipation is most prevalent during toddlerhood, 17-40% of constipated children begin to experience constipation in their first year of life. If left untreated, constipation can cause negative associations between eating and pooping and can worsen underlying constipation. During infancy, constipation most commonly presents after introducing solid foods. If your baby is experiencing constipation, try incorporating foods that are rich in fiber and fluid to hel