parent data Signup

Ask Petey a question

Subscribe Log in

All Articles

Sort by order
  • Relevance
  • Newest to Oldest
  • Oldest to Newest
Vaccine being loaded in the syringe.

Updated on Sep. 16, 2025

6 minute read

Fact Check: Vaccine Studies

Emily Oster, PhD

A parent holding a newborn.

Updated on Sep. 12, 2025

3 minute read

What’s Elimination Communication and Should I Try It?

Emily Oster, PhD

A baby in a high chair eating a puree out of spoon.

Updated on Sep. 5, 2025

2 minute read

Should I Feed My Baby Vegetables Before Fruit?

Emily Oster, PhD

Updated on Sep. 2, 2025

7 minute read

Are Sleep Regressions Real?

Emily Oster, PhD

A box of used plastic baby bottles.

Updated on Aug. 28, 2025

2 minute read

Can I Reuse Plastic Bottles for My Next Baby?

Emily Oster, PhD

A parent lifting a baby from the bassinet.

Updated on Aug. 19, 2025

3 minute read

Is My Scent Waking Up My Hungry Baby?

Emily Oster, PhD

A person tying her shoes for running.

Updated on Aug. 13, 2025

2 minute read

When Can You Safely Return to Running Postpartum?

Emily Oster, PhD

A baby sticking his tongue out and pointing at it.

Updated on Aug. 26, 2025

3 minute read

Do Tongue Ties Impact Speech?

Jennifer Shonkoff

A person pumping talcum powder in hand.

Updated on Aug. 11, 2025

2 minute read

Can I Use Baby Powder on My Child’s Rash?

Emily Oster, PhD

A baby being vaccinated

Updated on Jul. 30, 2025

3 minute read

Should I Get My Baby Vaccinated for COVID-19?

Emily Oster, PhD

A mother sitting in a chair and drinking coffee while looking at the baby in hand.

Updated on Jul. 29, 2025

9 minute read

Common Postpartum Symptoms and Why They Happen

Emily Oster, PhD

Updated on Jul. 28, 2025

4 minute read

Why You Can’t Predict Your Baby’s Biological Sex

Emily Oster, PhD

Updated on Jul. 21, 2025

2 minute read

Which Pacifier or Bottle Nipple Is Best for My Baby?

Emily Oster, PhD

Formula , bottle, rattle and a pacifier on a table.

Updated on Aug. 8, 2025

11 minute read

What to Know About Infant Formula and the FDA Review

Emily Oster, PhD

A group of children playing.

Updated on Jul. 10, 2025

9 minute read

Are American Kids Really Doing Much Worse?

Emily Oster, PhD

A pregnant person playing with her baby.

Updated on Jul. 16, 2025

2 minute read

Will Pregnancy Affect My Milk Supply?

Emily Oster, PhD