Development by Weeks
Weeks 37–40 bring exciting milestones as your baby becomes a confident little explorer, cruising, standing, self-feeding, and responding to simple words and games. Discover what to expect with movement, family meals, sleep, playtime, and your baby’s growing independence.
Weeks 33–36 bring exciting changes as your baby becomes more mobile, expressive, and independent, from pulling up and cruising to waving and clapping. Discover what to expect with feeding, solids, sleep, playtime, fine motor skills, and the milestones shaping this active stage.
Weeks 29–32 bring exciting milestones as your baby becomes more mobile, adventurous, and curious about new foods and flavors. Discover what to expect with crawling, pulling up, feeding, allergen introductions, sleep, playtime, and growing independence.
Weeks 25–28 bring exciting changes as your baby becomes more mobile, independent, and curious about new foods and flavors. Discover what to expect with sitting, crawling, solids, sleep, playtime, and the everyday milestones shaping this fun stage of development.
Weeks 21–24 bring exciting milestones as your baby becomes more mobile, social, and ready to explore new foods. Discover what to expect with sitting, rolling, babbling, playtime, sleep, and safely introducing those first bites of solids.