parent data Signup

Ask Petey a question

Subscribe Log in

All Articles

Sort by order
  • Relevance
  • Newest to Oldest
  • Oldest to Newest
A newborn infant holds a parent's thumb in a closeup.

Jul. 14, 2023

2 minute read

Will a Baby Born at 37 Weeks Be OK?

Emily Oster, PhD

A freezer door shows bags and bottles of frozen breastmilk.

Updated on Jan. 6, 2025

2 minute read

Should I Throw Away Unused Thawed Breast Milk?

Emily Oster, PhD

A parent looks on as a pediatrician gives a smiling baby a vaccination.

Updated on May 5, 2025

3 minute read

Should My Baby Get the Hepatitis B Vaccine?

Emily Oster, PhD

A toddler scratches their head while wearing yellow noise-blocking headphones.

Jul. 7, 2023

2 minute read

Is White Noise Bad for My Baby?

Emily Oster, PhD

A baby smiles and tilts head while being held.

Updated on Mar. 19, 2025

2 minute read

When Should I Stop Breastfeeding?

Emily Oster, PhD

A teddy bear peaks around navy blue blackout curtains.

Updated on Mar. 19, 2025

2 minute read

Should I Hang Blackout Curtains in My Baby's Room?

Emily Oster, PhD

A children's slide and fort are seen, abandoned, on a smokey day.

Updated on Jan. 13, 2025

3 minute read

Can I Take My Kids Outside When There's Wildfire Smoke?

Christopher Worsham, MD

An array of used tissues and cold medicines on a yellow background.

Jun. 30, 2023

2 minute read

Why Aren't There Better Breastfeeding-Safe Medicines?

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

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

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

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 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 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

Pantone paint color test charts.

Updated on Feb. 6, 2025

3 minute read

What Color Should I Paint My Baby's Room?

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