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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

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

Jun. 2, 2023

2 minute read

What Can I Do About Postpartum Hair Loss?

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

Dinner plate and leftover container with fish, broccoli and carrots on a counter top.

Jun. 2, 2023

2 minute read

How Long Is It Safe to Leave Food Out of the Fridge?

Emily Oster, PhD

A doctor placed a bandaid on the arm of a pregnant person after administering a vaccination.

May 30, 2023

8 minute read

RSV and Vaccines

Emily Oster, PhD

A small baby plays with a phone during tummy time and looks concerned.

Updated on Jan. 13, 2025

2 minute read

Is My Kid Too Young for a Smartphone?

Emily Oster, PhD

A small figurine of a brain with a yellow light bulb paper clip above it.

Updated on Feb. 13, 2025

2 minute read

How Much Higher Are My Preterm Baby's Risks of Health and Cognitive Problems?

Emily Oster, PhD