Do babies need to crawl—and is it even a milestone anymore? - Today's Parent

When do babies start crawling?

Babies almost all try crawling to get from Point A to Point B, but CDC says it's not a useful developmental milestone

4-Month-Old Milestones: Your Baby's Development At 4 Months

When Do Babies Wave? Age and When to Worry

Newborn Breastfeeding Frequency - La Leche League International