Topic

Newborn Care

The science of the first twelve weeks — feeding, sleep, health screens, and postpartum recovery.

4 articles

The Fourth Trimester: Why the First 12 Weeks Are Different
Newborn Care

The Fourth Trimester: Why the First 12 Weeks Are Different

The concept of the "fourth trimester" is more than a cute phrase. It is a framework for understanding what a newborn needs and why the first twelve weeks are unlike any other period.

Feedlittle Contributors·Jun 25, 2026·7 min read

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