Full-month baby two days without stool may be related to the amount of food is not enough, physiological factors, constipation and so on. 1. not enough food: if the baby eats less, not enough food, the formation of stool will also be reduced, so there will be two days without stool. 2. Physiological factors: generally appear after the baby full moon, at this time the phenomenon of saving the stomach may occur, and the gastrointestinal tract digestive enzymes increase has a relationship with the baby’s stool pattern has changed, the general baby’s appetite, the spirit of normal. 3. constipation: the baby’s digestive ability is relatively weak, digestion is not good when constipation may occur, appear two days without stool. Full-month baby two days without stool, may also be related to other reasons, it is recommended to go to the hospital in time to identify the cause, under the guidance of the doctor treatment.