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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

Updated on Jul. 21, 2025

2 minute read

Which Pacifier or Bottle Nipple Is Best for My Baby?

Emily Oster, PhD

Night stand with a lamp and pills by the side of bed.

Updated on Jul. 23, 2025

2 minute read

Is NyQuil Safe While Breastfeeding?

Emily Oster, PhD

Two parents kiss a baby on either cheek.

Updated on Jul. 22, 2025

9 minute read

How to Baby-Proof Your Relationship

Yael Schonbrun

A parent breastfeeding her baby

Updated on Jul. 22, 2025

3 minute read

Do I Need to Give My Breastfed Baby Vitamin D Drops?

Emily Oster, PhD

A pregnant person playing with her baby.

Updated on Jul. 16, 2025

2 minute read

Will Pregnancy Affect My Milk Supply?

Emily Oster, PhD

A baby lying on a sleeping parent's chest.

Updated on Jul. 2, 2025

2 minute read

What’s the Data on Contact Napping?

Emily Oster, PhD

Updated on Jun. 26, 2025

2 minute read

What Brand of Formula Should I Buy?

Emily Oster, PhD

A parent yawning while breastfeeding her baby in bed.

Jun. 20, 2025

2 minute read

Would I Get More Sleep if I Switched to Formula?

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 breast pump set with no milk is set out on a wooden table.

Updated on Jun. 17, 2025

2 minute read

How Common Is Dangerous Bacteria on Breast-Pump Parts?

Emily Oster, PhD

A mobile made of colorful origami fish on a white background.

Updated on Jun. 17, 2025

3 minute read

Is It Better to Co-Sleep or Sleep Train a 1-Year-Old?

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