Article Series

The Newborn Primer

Everything you need to know in the first twelve weeks, from the fourth trimester to jaundice to cord care.

4 articles in this series

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.

Jun 25, 2026·7 min read

Newborn Care

Newborn Jaundice: When It's Normal and When It's Not

More than half of all newborns develop jaundice. Most cases are harmless, but some need treatment. Here is how to tell the difference.

Jun 20, 2026·6 min read

Newborn Care

The Newborn Screen: What Those Tests Actually Check

Before your baby leaves the hospital, a few drops of blood from their heel will be tested for dozens of rare but serious conditions. Here is what that screen actually looks for.

Jun 15, 2026·6 min read

Newborn Care

Umbilical Cord Care: The Current Guidance

The advice on how to care for a newborn's umbilical cord stump has changed dramatically. Here is what the current evidence recommends.

Jun 10, 2026·5 min read

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