How to relieve constipation in 9-month-old babies. Constipation is a very common problem in babies. For 9-month-old babies, eating habits and growth and development will have an impact on constipation. If not resolved in time, constipation will not only cause discomfort, but also affect the healthy growth of the baby. So how to relieve baby constipation? This article will explain it to you from four aspects: diet, living habits, prevention, and medical treatment. Food tips