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By Trimester
First
Weeks 1–13
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Weeks 14–27
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Weeks 28–40
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Wk 24
Wk 28
Wk 32
Wk 36
Wk 40
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Newborn
0–4 weeks
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Baby
Baby Development Month by Month
Track your baby's growth, milestones, and developmental stages from newborn to 1 year.
The First Months
Growing & Exploring
On the Move
The First Months
Settling in and finding a rhythm
👶
Newborn
0–4 weeks
Newborn Development: The First Month
⭐ 5 milestones
🍼
1 Month
1 Month: Settling Into a Rhythm
⭐ 4 milestones
🌙
2 Months
2 Months: More Alert and Interactive
⭐ 5 milestones
🌈
3 Months
3 Months: Stronger and More Curious
⭐ 5 milestones
Growing & Exploring
Solids, sitting, and new curiosity
🌼
4 Months
4 Months: Rolling and Reaching
⭐ 5 milestones
🧸
5 Months
5 Months: Getting Ready for Solids
⭐ 5 milestones
🎈
6 Months
6 Months: A Major Milestone Month
📚
7 Months
7 Months: Sitting Up and Exploring...
⭐ 5 milestones
On the Move
Crawling, cruising, and the first birthday
🚼
8 Months
8 Months: On the Move
⭐ 5 milestones
🌟
9 Months
9 Months: A Big Vaccine Milestone
⭐ 5 milestones
🪀
10 Months
10 Months: Cruising and...
⭐ 5 milestones
👣
11 Months
11 Months: Almost a Toddler
⭐ 5 milestones
🎂
12 Months
12 Months: Happy First Birthday
⭐ 5 milestones
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