Guides
Original, cited and tied to a tool you can use right away. Health guides show their clinical review status plainly; none has been reviewed by a clinician yet, and each says so.
Growth and development
Development · GuideThe 2022 CDC milestone update: what changedIn 2022 CDC and AAP revised the milestone checklists: new 15- and 30-month lists, a 75% rule, and many milestones moved to older ages. What it means for you.Verified Oct 5, 20264 min Not yet clinically reviewedGrowth · ExplainerCorrected age for preemies on a growth chartHow corrected age works for babies born early, why AAP uses it for the first 2 years, how it changes percentiles, and why nothing is plotted before term.Verified Oct 5, 20264 min Not yet clinically reviewedGrowth · ExplainerCrossing percentile lines: what a change meansWhy a baby's percentile can drift between checkups, which changes are expected, and when crossing growth chart lines is worth a question for your doctor.Verified Oct 5, 20265 min Not yet clinically reviewedDevelopment · GuideLate talker or speech delay? What to watchHow to tell a late talker from a speech or language delay, CDC language milestones from 12 months to 3 years, and when to ask for a hearing test.Verified Oct 5, 20265 min Not yet clinically reviewedGrowth · ExplainerGrowth percentiles explained: what the number meansWhat a 30th or 90th percentile on a growth chart means, why it is a position and not a grade, and which patterns are worth raising with your pediatrician.Verified Oct 5, 20265 min Not yet clinically reviewedDevelopment · How-toHow to request a free early-intervention evaluationHow to ask your state's early intervention program for a free evaluation, what to say, what happens in the 45 days after, and what to do at age 3+.Verified Oct 5, 20265 min Not yet clinically reviewedCheckups · GuideWhat to bring to a well-child visitA practical checklist for well-child visits from birth to 5: which visits AAP recommends, what to bring, when screenings happen, and how to ask questions.Verified Oct 5, 20264 min Not yet clinically reviewedGrowth · ExplainerWhy your growth chart doesn't match your doctor'sWHO and CDC 2000 growth charts give different percentiles for the same baby. Here is why, what CDC recommends, and the small details that move the number.Verified Oct 5, 20266 min Not yet clinically reviewed
Names
Baby names · How it worksHow Name Match works, and why names never repeatName Match deals you and your partner the same shuffled deck of real US names, records every card on our server so none repeats, and shows only names you both liked.Verified Oct 5, 20266 minBaby names · GuideMost popular baby names of 2025: what changed"Olivia and Liam stayedVerified Oct 5, 20265 min
Safety and your data
Safety · GuideHow to check if your baby gear is recalledFind the model number, search CPSC and NHTSA recall notices, register every product with its maker, and know what to do if your crib, stroller or car seat is on a list.Verified Oct 5, 20265 minYour data · GuideSwitching baby apps: how to export and keep your dataBefore you leave a baby tracker, get your child's measurements out in a file you can open, check the units and dates, keep a copy, and delete the old account properly.Verified Oct 5, 20264 min