Ah, the age-old question ... If your baby hasn't started moving independently, whether via crawling, scooting, cruising or walking, by 12 months of age, it's time to check in with your pediatrician.

From 8-to-12-months ... crawling, walking and showing off their independent streak – big time. We help you keep up – step by step. This is a period of rapid physical growth. As the old ...

At what age do babies start crawling ... start to sit up at five to eight months-old on average, Kerry says. Sitting up is a fantastic indication of your baby's physical development, particularly ...