MONTH BY MONTH

Your Baby’s Development, Month by Month

Clear, evidence-based guidance on milestones, sleep, feeding, growth, vaccines, and everyday care from birth to age three.

01
Newborn Baby Guide · United States

Newborn Baby Guide: The First 4 Weeks, Feeding, Sleep & Checkups

A practical US guide to your newborn’s first 28 days: feeding, safe sleep, jaundice, diapers, newborn screening, hepatitis B decisions, and when to call the pediatrician.

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02
Newborn Baby Guide · United Kingdom

Newborn Baby Guide: The First 4 Weeks, Feeding, Sleep & NHS Checks

A practical UK guide to your baby’s first 28 days: feeding, safe sleep, jaundice, nappies, NHS newborn screening, selective birth vaccines, and urgent help.

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03
1-Month Baby Guide · United States

1-Month-Old Baby Guide: Feeding, Sleep, Development & the Well Visit

A practical US guide to weeks 4–7: feeding, sleep, crying, tummy time, growth, the 1-month well-baby visit, hepatitis B timing, and when to call the pediatrician.

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04
1-Month Baby Guide · United Kingdom

1-Month-Old Baby: Feeding, Sleep, the 6–8 Week Check & Vaccinations

A UK guide to weeks 4–7: feeding, sleep, crying, development, the GP’s 6–8 week baby check, first NHS vaccinations and when to seek help.

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05
2-Month Baby Guide · United States

2-Month-Old Baby Guide: Sleep, Feeding, Milestones & the 2-Month Visit

A practical US guide to weeks 8–12: what may be changing, what happens at the 2-month well visit, and when to call your pediatrician.

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06
2-Month Baby Guide · United Kingdom

2-Month-Old Baby Guide: Sleep, Feeding & the 6–8 Week Review

A UK guide to weeks 8–12: the 6–8 week baby review, 8-week vaccinations, sleep, feeding, development and when to contact the NHS.

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07
3-Month Baby Guide · United States

3-Month-Old Baby Guide: Sleep, Feeding, Development & What Comes Next

A practical US guide to weeks 13–16: sleep, feeding changes, development, growth, vaccines, and when to call the pediatrician.

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08
3-Month Baby Guide · United Kingdom

3-Month-Old Baby Guide: Sleep, Feeding, Development & the 12-Week Jabs

A UK guide to weeks 13–16: sleep, feeding, development, the 12-week vaccinations, and when to contact the NHS.

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09
4-Month Baby Guide · United States

4-Month-Old Baby Guide: Sleep, Feeding & Milestones

A current US guide to 4-month milestones, well visit, vaccines, sleep, feeding, rolling safety, growth, and when to call the pediatrician.

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10
4-Month Baby Guide · United Kingdom

4-Month-Old Baby Guide: Sleep, Weaning & 16-Week Jabs

A UK guide to 4-month development, 16-week vaccinations, feeding, sleep, rolling safety, growth, and when to contact the NHS.

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11
5-Month Baby Guide · United States

5-Month-Old Baby Guide: Development, Sleep, Feeding & Teething

A current US guide to 5-month development, sleep, milk feeding, starting solids, rolling safety, teething, growth, and when to call the pediatrician.

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12
5-Month Baby Guide · United Kingdom

5-Month-Old Baby Guide: Development, Sleep, Weaning & Teething

A current UK guide to 5-month development, sleep, milk feeding, weaning readiness, rolling safety, teething, growth, and when to contact the NHS.

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13
6-Month Baby Guide · United States

6-Month-Old Baby Guide: Solids, Sleep, Milestones & the Well Visit

A source-led US guide to 6-month milestones, starting solids, iron and allergens, sleep, the well visit, vaccines, teething and safety.

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14
6-Month Baby Guide · United Kingdom

6-Month-Old Baby Guide: Weaning, Sleep, Development & NHS Care

A practical UK guide to 6-month development, starting solids, allergens, sleep and how this stage fits NHS reviews and vaccinations.

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15
7-Month Baby Guide · United States

7-Month-Old Baby Guide: Sleep, Feeding, Crawling & Development

A source-led US guide to 7-month development, sitting and crawling, solid-food routines, sleep, stranger anxiety, flu doses, safety and when to call the pediatrician.

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16
7-Month Baby Guide · United Kingdom

7-Month-Old Baby Guide: Weaning, Sleep, Development & Crawling

A practical UK guide to 7-month development, weaning towards three meals, milk, sleep, crawling, separation anxiety, reviews, flu eligibility and safety.

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17
8-Month Baby Guide · United States

8-Month-Old Baby Guide: Development, Crawling, Feeding & Sleep

A source-led US guide to 8-month development, crawling and sitting, finger foods, sleep, separation, the 9-month visit, flu vaccination, safety and when to call the pediatrician.

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18
8-Month Baby Guide · United Kingdom

8-Month-Old Baby Guide: Development, Weaning, Crawling & Sleep

A practical UK guide to 8-month development, crawling and bum shuffling, weaning and textures, naps, separation, the 9-12 month review, safety and when to contact your GP.

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19
9-Month Baby Guide · United States

9-Month-Old Baby Guide: Development, Feeding, Sleep & Checkup

A source-led US guide to 9-month development, crawling and sitting, meals and textures, sleep, separation, the 9-month well-child visit, vaccines, safety and when to call the pediatrician.

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20
9-Month Baby Guide · United Kingdom

9-Month-Old Baby Guide: Development, Feeding, Sleep & Review

A UK guide to 9-month development, crawling and sitting, meals and textures, sleep, separation, the 9–12-month review, NHS vaccinations, safety and urgent help.

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21
10-Month Baby Guide · United States

10-Month-Old Baby Guide: Development, Feeding, Sleep & Safety

A source-led US guide to 10-month development, crawling and walking, meals and textures, sleep, home safety, checkups and when to call the pediatrician.

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22
10-Month Baby Guide · United Kingdom

10-Month-Old Baby Guide: Development, Feeding, Sleep & NHS Review

A UK-specific guide to 10-month development, crawling, 10–12 month meals, safe textures, sleep, the 9–12 month review, vaccinations and urgent warning signs.

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23
11-Month Baby Guide · United States

11-Month-Old Baby Guide: Development, Feeding, Sleep & Safety

A practical US guide to 11-month-old development, walking, first words, feeding, sleep, the 12-month visit, vaccines and home safety.

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24
11-Month Baby Guide · United Kingdom

11-Month-Old Baby Guide: Development, Feeding, Sleep & NHS Review

A UK guide to development at 11 months, walking, first words, feeding, sleep, the NHS 9–12 month review, vaccinations and home safety.

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25
12-Month Baby Guide · United States

12-Month-Old Baby Guide: Development, Feeding, Sleep & Checkup

A practical US guide to 12-month-old development, walking, first words, meals, milk and cup transitions, sleep, the 12-month checkup, vaccines and home safety.

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26
12-Month Baby Guide · United Kingdom

12-Month-Old Baby Guide: Development, Food, Sleep & NHS Review

A UK guide to development at 12 months, walking, first words, meals, milk and cup transitions, sleep, the 9–12 month review, one-year vaccinations and safety.

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