at what month should a baby begin sitting
Before your baby is able to sit unaided, he or she may try to pull him or herself into a sitting position by pulling up on your hands. Most babies should be able to begin sitting without support between 6 and 9 months old. 1  In the first month: At first a baby cannot control the movement of his or her head and will have a rounded back that needs support in a sitting position. By the end of the first month a baby should be able to lift his or her head momentarily and turn it from side to side while lying on his or her back.