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Two dark-haired toddlers run freely down a path in a park.

Updated on May 5, 2025

3 minute read

Will Using a Safety Harness Mess Up My Child?

Emily Oster, PhD

Infant wearing a bow and holding a toy in rear-facing car seat.

Updated on Jun. 18, 2025

2 minute read

Do I Need a Car-Seat Sensor?

Emily Oster, PhD

A kid grimaces as they itch their arm, which is red.

Jun. 22, 2023

9 minute read

Eczema and What to Do About It

Emily Oster, PhD

Lit cigarette in a red ashtray on a green bench with fallen leaves around it.

Updated on Apr. 9, 2025

3 minute read

Can I Smoke Socially While Breastfeeding?

Emily Oster, PhD

Baby audio monitor surrounded by soft toys.

Updated on May 29, 2025

2 minute read

Are Audio-Only Baby Monitors Worth It?

Emily Oster, PhD

Child's legs, in protective soccer gear, about to kick a soccer ball on artificial turf.

Updated on Feb. 4, 2025

2 minute read

Are the Chemicals in Artificial Turf Dangerous?

Emily Oster, PhD

Household cleaning products, rubber gloves, soap, and scrub brushes are arranged on a teal background.

Updated on Oct. 14, 2025

2 minute read

What Pinworm Treatment Can I Use While Pregnant?

Emily Oster, PhD

Three children of different races read a book together in a classroom.

Jun. 12, 2023

8 minute read

Representation in Children's Books

Emily Oster, PhD

A group of babies listening to ParentData on headphones

Jun. 11, 2023

30 minute read

Representation in Children’s Books

Emily Oster, PhD

Shopper bends down to pick up a box of diapers in the diaper aisle of a big-box store.

Updated on Jan. 7, 2025

3 minute read

What Diapers Should I Get for My Baby?

Emily Oster, PhD

A gray knit bear on a pink background has a thermometer under its arm.

Updated on Feb. 25, 2025

1 minute read

How Often Is Normal for My Kid to Be Home Sick?

Emily Oster, PhD

Artfully placed unwrapped tampons and pads on a brown background.

Updated on Apr. 18, 2025

2 minute read

How Long Should It Take My Period to Return After Stopping Birth Control?

Emily Oster, PhD

A baby on its tummy looks over at a full bottle attached to a manual breast pump.

Updated on Jun. 2, 2025

3 minute read

Is a Baby More Efficient than a Breast Pump?

Emily Oster, PhD

A parent and child make funny faces while taking a selfie in their living room.

Jun. 8, 2023

7 minute read

How to Manage Your Family's Relationship With Social Media and Smartphones

Emily Oster, PhD

A blue sleep mask and orange ear plugs sit on a white marble countertop.

Jun. 2, 2023

2 minute read

Should I Choose Exercise or an Extra Hour of Sleep?

Emily Oster, PhD

A potty seat, toys and diapers

Updated on Feb. 3, 2025

3 minute read

Will My Kid Be Harder to Potty Train After Age Three?

Emily Oster, PhD