If your child poos once every few days, then something is not right though children between the ages of three to four tend to show different variety in pooing patterns.

Constipation is the passage of infrequent, hard and painful stools. This is a common problem that affects a number of school-aged children.

Causes of Constipation

Painful Memory: One painful bowel movement can cause your child to fear passing stools and to withhold further movements.
Kind of Meal: Babies can become mildly constipated when they start to eat more solid food. That’s often because rice (a common first food) is low in fiber.
Dehydration: when a child is dehydrated, his/her system will be absorbing the fluid from whatever they eat or drink, also from the waste in their bowels, this makes the stool very difficult to pass.
Medical condition: constipation can be caused by already existing medical condition such as hypothyroidism, botulism, and certain food allergies and metabolic disorders, though this happens like 5% of the time.
Signs of Constipation

Hard stools: Poop shouldn’t be hard that it causes painful straining, especially for children. If this is noticed, then there is a possibility http://fabmumng.com/help-my-baby-is-constipated/