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1-2 Months
Infants are able to turn their neck. -
3 Months
Infants can turn from their back to their front (prone position) but can't turn back onto their backs -
2 1/2 Months
Cranial bones change from intramembranious to endochondral (or in other words, the bones thicken) at this age. -
4 Months
Baby's can turn onto their backs into the supine position. -
5 Months
Baby's cam turn from their back to their front and vice versa. -
6-7 Months
Baby's Can turn stomach to stomach at this age. -
8 Months
Baby's can go from prone position to sitting and vice versa and the also begins to crawl -
9 Months
Babies can pull themselves up while holding onto something at this stage. -
10-11 months
At this age, the child can walk while holding hands, sit well, and pivot. -
15 months
At fifteen months, the child can push something while walking, climb, and get down from the place they climbed to. -
18 Months
At eighteen months, the baby can run, but will fall at times. The baby can also climb stairs with his/her hands. -
21 Months
At twenty-one months, the baby can squat while playing, and climb stairs standing upright. -
24 Months
At twenty-four months, the child can walk backwards and on his/her toes. At this stage, the child can also run without falling.