In general, it is recommended that breastfed babies wait until closer until 6 months to maximize the benefits of
breastmilk. Basically, rice cereal has no nutritional value
- it is empty calories. Giving it to your baby takes the place of nutritional milk. It also can contribute to diabetes and obesity because it trains the baby to fill up on empty calories. The studies are interesting. If you do introduce it by spoon, it is to begin introducing the baby to taste and texture.