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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 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

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

Magic mushroom in forest.

Updated on Sep. 10, 2025

2 minute read

Is it Safe to Breastfeed on Mushrooms?

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

A baby cries while a breastfeeding woman suffering from mastitis cups her breast in pain.

Updated on Aug. 21, 2025

9 minute read

Mastitis and the Guidance to Treat It

Emily Oster, PhD

A breast pump and full bottle of milk sit on a stack of diapers against a blue background.

Updated on Aug. 13, 2025

3 minute read

Is It Better to Breastfeed or Pump?

Emily Oster, PhD

A parent holds their head while holding a baby with a breast pump nearby.

Updated on Aug. 11, 2025

9 minute read

Should You Fix Your Baby’s Tongue Tie?

Emily Oster, PhD

An unhappy-looking person sitting on bed and looking at pills.

Updated on Aug. 8, 2025

12 minute read

Antidepressants Before, During, and After Pregnancy

Emily Oster, PhD

Formula , bottle, rattle and a pacifier on a table.
In the news

Updated on Aug. 8, 2025

11 minute read

What to Know About Infant Formula and the FDA Review

Emily Oster, PhD

A white sanitary pad covered in red glitter on a blue background.

Updated on Aug. 6, 2025

2 minute read

How Long Should It Take My Period to Restart After Breastfeeding?

Emily Oster, PhD