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Newborn accessories like socks, beanies, a blanket and a teddy.

Updated on Oct. 14, 2025

2 minute read

What Accessories Does My Newborn Really Need?

Emily Oster, PhD

Baby bottles are drying on a towel after being washed.

Updated on Oct. 13, 2025

2 minute read

Do I Need to Sanitize Bottles?

Emily Oster, PhD

Powdered formula in a measuring spoon, next to a baby bottle.

Updated on Oct. 10, 2025

2 minute read

Is It Safe to Add Rice Cereal to Baby Formula?

Emily Oster, PhD

A parent holding a newborn.

Updated on Oct. 10, 2025

3 minute read

What’s Elimination Communication and Should I Try It?

Emily Oster, PhD

A parent breastfeeding a baby.

Updated on Oct. 8, 2025

2 minute read

Does Breastfeeding Make You More Sensitive to Heat?

Emily Oster, PhD

Bottles of breast milk and a breast pump are arranged on a yellow cloth.

Updated on Oct. 8, 2025

3 minute read

What Causes High-Lipase Breast Milk?

Emily Oster, PhD

A baby sucks their thumb while sleeping on their back in a crib.

Updated on Oct. 7, 2025

12 minute read

The Data Behind Safe Sleep

Emily Oster, PhD

Frozen bags of breastmilk are arranged in a wicker basket on a table.

Updated on Sep. 30, 2025

2 minute read

Should I Use Donor Milk for My Baby?

Emily Oster, PhD

A queer couple playing with their baby.

Updated on Sep. 24, 2025

6 minute read

Is Co-Feeding Right for You?

Marea Goodman, LM, CPM

A person mixing formula in a bottle

Updated on Sep. 23, 2025

7 minute read

What Is Going On with Heavy Metals in Formula?

Emily Oster, PhD

Gloved hands touching a newborn baby in labor room

Updated on Sep. 23, 2025

8 minute read

Is Vaginal Seeding Worth Trying?

Emily Oster, PhD

Syringe and vaccine vial on a dark background
In the news

Updated on Sep. 20, 2025

7 minute read

What’s Happening to the MMRV, Hepatitis B, and COVID Vaccines?

Emily Oster, PhD

Magic mushroom in forest.

Updated on Sep. 10, 2025

2 minute read

Is it Safe to Breastfeed on Mushrooms?

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 manual breast pump filled with milk sits on a wooden table in front of a light blue wall.

Updated on Aug. 28, 2025

2 minute read

How Long Should I Breastfeed My Child?

Emily Oster, PhD