Growth
Percentiles, spurts, and tracking tools to make sense of your baby's growth.
Growth Chart Plotter
Free WHO & Fenton percentile plotter for your baby.
Adjusted vs. Actual Age
Which age to use for your preemie's milestones, growth charts, and medical care.
Fenton vs. WHO Growth Charts
Why preemies need specialized Fenton charts — and where to find them.
Percentile vs. Growth Velocity
One is a snapshot, the other is the trend — here's why velocity matters.
WHO vs. CDC Growth Charts
Why the chart your pediatrician uses matters — and which one is right for babies under 2.
15th Percentile
The 15th percentile isn't a warning — it's a perfectly normal size.
25th Percentile
One in four babies is at or below the 25th — that's how math works.
50th Percentile
The 50th percentile is average, not the goal — here's why that matters.
75th Percentile
Your baby is bigger than average — and that's perfectly normal.
90th Percentile Weight
A big baby is not an overfed baby — what the 90th percentile means.
95th Percentile
Your baby is in the 95th percentile — here's why that's usually fine.
Baby Dropped Percentiles
When dropping percentiles is normal — and when it needs a closer look.
Head Circumference Percentile
What your baby's head size percentile means — and when to ask about it.
10th Percentile Height
Your baby's height is at the 10th percentile — here's what that means.
Baby Small for Their Age
When small is just small — and when it deserves attention.
5th Percentile Weight
What the 5th percentile actually means — and why it's usually fine.
Weight Gain Slowed Down
Why weight gain slows after 4-6 months — and when it's worth a closer look.
Failure to Thrive vs. Small Baby
FTT has a specific clinical definition — it doesn't apply to most small babies.
Growth Spurt vs. Feeding Problem
Is it a growth spurt or something else? How to tell the difference.
Newborn Growth Spurts (Week by Week)
Week-by-week growth spurt schedule for the first 3 months.
Baby Growth Spurts
When they happen, how long they last, and what you can actually do.
Growth Percentiles
What percentiles actually mean — and when to stop Googling.
