All 52 weeks

Your baby's first year, week by week — sleep, feeding, and milestones for every week from newborn to first birthday.

Month 1

Month 2

Month 3

Month 4

Month 5

Month 6

Month 7

Month 8

Month 9

Month 10

Month 11

Month 12

Gear that fits your life

Trying to fit three car seats across one back seat? Our car seat three-across fit checker adds up manufacturer-published seat widths against your vehicle's rear hip room. For what to buy when, see gear by week.