Development

Age-by-age milestones from newborn through 30 months — what to expect and when.

What's normal in the first two weeks — and what's not.

When to start, how much by age, and what to do when baby hates it.

One month in — first smiles, lifting that head, and finding a rhythm.

Standing, waving, and a will of their own emerging fast.

Almost walking, almost talking — the anticipation builds.

Happy birthday! From a newborn to a person with opinions about dinner.

Walking, climbing, and 'no' is their favorite word.

Running, tantrums, and a vocabulary that's about to explode.

Social smiles, cooing, and the start of a real schedule.

Two-word sentences, pretend play, and boundary-testing on repeat.

Running, pretending, talking — and pushing every boundary.

The fourth trimester is over — your baby is waking up to the world.

The fog is real, but your baby is already changing fast.

Conversations, elaborate pretend play, and Broadway-level tantrums.

Rolling, laughing, grabbing everything, and the 4-month sleep regression.

Reaching, babbling, and getting ready for solid foods.

Half a year — sitting up, starting solids, and a personality emerging.

The real smile arrives. Everything else is still chaotic.

Sitting strong, crawling (maybe), and stranger anxiety arrives.

Crawling, pulling up, and exploring with unstoppable curiosity.

Cruising, pointing, and understanding more than you think.

Track everything in one place.

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