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parent and a child sleeping together

Updated on Nov. 3, 2025

8 minute read

What to Know About Co-Sleeping

Emily Oster, PhD

Newborn's feet under blanket.

Updated on Oct. 30, 2025

8 minute read

All About Circumcision

Emily Oster, PhD

A doctor clamping the umblical cord of a newborn after delivery.

Updated on Oct. 29, 2025

2 minute read

How Should I Care for My Baby’s Umbilical Cord?

Emily Oster, PhD

two kids posing and taking photograph of each other

Updated on Oct. 29, 2025

2 minute read

Should I Post Photos of My Child on Social Media?

Emily Oster, PhD

different herbs in a bowl placed on a wooden table

Updated on Oct. 28, 2025

1 minute read

What Herbs Are Safe to Eat While Breastfeeding

Emily Oster, PhD

A care taker with children in a daycare.
In the news

Updated on Oct. 23, 2025

9 minute read

Child Care Is Expensive and Hard to Find. Here’s How We Fix It.

Emily Oster, PhD

A parent holds two sleeping babies.

Updated on Oct. 24, 2025

8 minute read

Are Newborn Wake Windows Real?

Emily Oster, PhD

A baby wearing headphones.

Updated on Oct. 22, 2025

3 minute read

What’s a Safe Level of Noise for My Baby

Emily Oster, PhD

A toddler gets a shot from a doctor

Updated on Oct. 23, 2025

3 minute read

Can My Kid Get a Flu Shot While Sick?

Emily Oster, PhD

Parent and child in airport looking at the planes

Updated on Oct. 22, 2025

7 minute read

How to Travel with Kids

Emily Oster, PhD

A baby pulls themself up to stand at a bench.

Updated on Oct. 22, 2025

2 minute read

Should I Worry if My Baby Isn't Walking?

Emily Oster, PhD

Water boils in a clear pot on a gas stove.

Updated on Oct. 21, 2025

2 minute read

Do I Really Need to Boil Water for Formula?

Emily Oster, PhD

A baby rests face down on a fuzzy blanket during tummy time.

Updated on Oct. 17, 2025

2 minute read

Does My Baby Really Need Two Hours of Tummy Time Per Day?

Emily Oster, PhD

A baby being breastfed.

Updated on Oct. 16, 2025

3 minute read

What Is Cluster Feeding?

Emily Oster, PhD

A parent breastfeeding a baby

Updated on Oct. 16, 2025

9 minute read

The Data Behind Breast Milk Supply

Emily Oster, PhD

A parent feeds baby food to a baby in a high chair.

Updated on Oct. 16, 2025

13 minute read

How to Start Solids

Emily Oster, PhD