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Changing baby's diaper

Updated on Apr. 1, 2025

2 minute read

How Do I Know What “Normal” Poop Looks Like?

Emily Oster, PhD

A parent reads a phone on the toilet.

Updated on Jan. 30, 2025

9 minute read

Everything You Need to Know About Poop

Emily Oster, PhD

A new mom playing with her newborn in a hospital.

Updated on Oct. 8, 2025

2 minute read

How Nervous Should I Be for My First Postpartum Poop?

Emily Oster, PhD

Brown locked bathroom stall door in a public bathroom.

Feb. 3, 2023

2 minute read

Why Does It Take Men So Long to Poop?

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

A parent holding a newborn.

Updated on Oct. 10, 2025

3 minute read

What’s Elimination Communication and Should I Try It?

Emily Oster, PhD

A couple sitting by the couch and having coffee.

Updated on Aug. 14, 2025

11 minute read

Talking to Your Partner After Kids

Emily Oster, PhD

A model of intestine protected by two hands

Updated on Aug. 8, 2025

8 minute read

What We Know (and Don’t) About the Microbiome

Emily Oster, PhD

Tiny bumps on hand.

Jun. 16, 2025

6 minute read

What Is That Weird Bump on My Kid?

Emily Oster, PhD

Microplastics in the sand seen through magnifying glass

In the news

Updated on Aug. 8, 2025

10 minute read

How Much Should We Worry About Microplastics?

Emily Oster, PhD

Gloved hands touching a newborn baby in labor room

Updated on Sep. 23, 2025

8 minute read

Is Vaginal Seeding Worth Trying?

Emily Oster, PhD

A parent and a child wearing a cape made of blanket, goggles and flexing their arms

Updated on Jul. 9, 2025

7 minute read

What Do You Hope Your Child Is Like as an Adult?

Emily Oster, PhD

An open oil bottle on a wooden plank surrounded by smaller planks and stones.

In the news

Updated on Aug. 8, 2025

9 minute read

Do Parasite Cleanses Work?

Emily Oster, PhD

A newborn on a weighing scale

Updated on Apr. 4, 2025

3 minute read

When Should Infants Get Back to Their Birth Weight?

Emily Oster, PhD

ParentData podcast art

Updated on Jan. 30, 2025

21 minute read

It’s Never Too Late for Pelvic Floor Therapy

Emily Oster, PhD

A person washing berries in the sink.

Updated on Mar. 6, 2025

1 minute read

Should You Wash Berries Before Eating Them?

Emily Oster, PhD