parent data
About us
FAQs
Contact us
Ask Petey
Log in Subscribe

380 results

Sort by order
  • Relevance
  • Newest to Oldest
  • Oldest to Newest
Bottles of breastmilk and formula.

Updated on Dec. 4, 2025

9 minute read

All About Combo Feeding

Emily Oster, PhD

In the news

Updated on Dec. 5, 2025

6 minute read

What’s Happening with the Hepatitis B Vaccine?

Emily Oster, PhD

A toddler trying to empty a jar.

Updated on Dec. 2, 2025

3 minute read

What Are Ways to Manage My Child Testing Limits?

Emily Oster, PhD

A toddler napping.

Updated on Nov. 26, 2025

1 minute read

How Do I Prepare for Fewer Naps?

Emily Oster, PhD

A father holding the hands of his son.

Updated on Nov. 17, 2025

4 minute read

How Much Does Having an Absent Parent Affect Children?

Karey O’Hara

An adorable bald baby.

Updated on Nov. 19, 2025

2 minute read

When Will My Baby’s Hair Start Growing?

Emily Oster, PhD

A baby holding a parent's finger.

Updated on Nov. 13, 2025

8 minute read

The State of Parental Leave

Emily Oster, PhD

New parents holding their newborn baby.

Updated on Nov. 12, 2025

7 minute read

What We’re Missing About the Mental Health of New Parents

Erin O’Connor

A toddler eating with a spoon.

Updated on Nov. 12, 2025

2 minute read

What's the Right Portion Size for Toddler Meals?

Emily Oster, PhD

Woman mixing a bottle of formula
In the news

Updated on Nov. 20, 2025

4 minute read

ByHeart Has Recalled All of Its Infant Formula

Emily Oster, PhD

A breast pump and a bottle.

Updated on Nov. 12, 2025

8 minute read

Everything You Need to Know About Pumping

Emily Oster, PhD

A parent breastfeeding a newborn.

Updated on Nov. 5, 2025

3 minute read

How Do I Get My Baby to Latch?

Emily Oster, PhD

A parent playing with a newborn.

Updated on Nov. 6, 2025

8 minute read

What the Data Actually Says About Breastfeeding

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

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