Every claim linked to its source CDC · NHS · AAP guidance, cited on every page Limits stated when evidence is uncertain
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Understand what your baby is going through, week by week, with every source cited

Fussy days, sleep changes, new skills: get general guidance for your baby's age, in language you can actually use.

Browse printable guides

Your baby's forecast

What this can do: show general guidance for your baby's age. It cannot predict when your baby will be fussy. The five windows organize research and milestone guidance, and exact timing varies.

Sources cited Adjusted age No ads
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Printable guides for your baby's first year

Choose a ready-made guide, a personalized map, or the three-guide kit. All five existing PDF offers are here.

The development windows organize broad age-based guidance. They do not predict when an individual baby will be fussy.

Preview of The First-Year Map cover and its one-page first-year summary

For any baby, including babies born early

The First-Year Map

A fill-in map for parents who want the whole first year on paper.

  • 11 pages with five development windows and nine rough research landmarks
  • CDC milestone checklists for 2, 4, 6, 9 and 12 months
  • Fill-in dates and a one-page fridge summary

$17 USD

Digital PDFInstant download on Gumroad

View and buy Also available on Etsy
Sample personalized first-year map with Emma's name and calendar dates

For parents who want the calendar filled in for them

Your Baby's First-Year Map

A made-for-you map with your baby's own dates throughout.

  • Your baby's name and calendar dates throughout
  • Adjusted-age dates for babies born early
  • Development windows, milestone checkpoints and checkup dates

$22 USD

Digital PDFMade for you and emailed within 24 hours

View and buy
Preview of The First-Year Map, Grandparents' Edition and its fridge summary

For grandparents, or for parents buying a useful gift

The First-Year Map, Grandparents' Edition

A plain-language update for grandparents who want to help with confidence.

  • 14 pages on current sleep, first-food and baby-gear guidance
  • Five development windows explained for grandparents
  • A one-page fridge guide with the main updates

$19 USD

Digital PDFInstant download on Gumroad

View and buy
Preview of Doctor Visit Prep pages for first-year well-child visits

For parents who want their questions and notes in one place

Doctor Visit Prep

Printable pages to bring to each well-child visit in the first year.

  • One page for the 2, 4, 6, 9 and 12-month visits
  • CDC milestone checklists and four questions for each visit
  • Space to write your questions and the answers

$15 USD

Digital PDFInstant download on Gumroad

View and buy
Preview of the three PDFs in The Complete Peanutbean Kit

For families who want the map, visit pages and grandparent guide

The Complete Peanutbean Kit

Three ready-to-print guides for parents and grandparents in one download.

  • The First-Year Map
  • Doctor Visit Prep
  • The First-Year Map, Grandparents' Edition

$24 USD

Digital PDFInstant download on Gumroad

View and buy

Prices are in US dollars. Taxes may be added or included by the sales platform, depending on your location.

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Why parents trust Peanutbean

Backed by real research

Every claim comes from published studies and official pediatric guidelines. Sources cited, always.

Built for real life

The short answer first. No jargon, no guilt, no alarmism. Easy to use while holding a baby.

Fair to premature babies

Born early? We use adjusted age for milestone context, following AAP guidance. It is a fairer way to read development.

How it works

Enter two dates

Birth date, plus due date if your baby came early.

See your baby's timeline

A first-year map with age-based context for now and the months ahead.

Spend less time guessing

See what is common at this age and when to ask your pediatrician.

See your baby's timeline
A newborn's hand holding a parent's finger
Clear answers for the questions that come with a new baby.

Made to earn your trust

Peanutbean is new, so instead of invented testimonials, here is exactly what you can rely on. As real parents send us their words, they will appear here.

Every source cited

Every claim traces back to the CDC, NHS, AAP, or peer-reviewed research, linked right on the page. See how we check our facts.

Honest about the unknowns

Where the science is not settled, we say so on the page instead of pretending. Windows, not verdicts.

No account, no cookies, no ads

Use the whole forecast without signing up. Cookieless analytics, so no banner, and nothing about you is sold.

Fair to babies born early

For babies born early, milestone context uses adjusted age, following AAP guidance.

Used the forecast with your baby? Tell us what you think. We read every note, and with your permission we may share it here.

Peanutbean provides general information for educational purposes only. It is not medical advice. Every baby develops at their own pace. Always talk to your pediatrician about your child's health.