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A group of children playing.

Updated on Jul. 10, 2025

9 minute read

Are American Kids Really Doing Much Worse?

Emily Oster, PhD

A parent and a child having a good time.

Updated on Jul. 10, 2025

3 minute read

Should I Correct My Toddler’s Pronunciation?

Jennifer Shonkoff

A parent talking to a child and showing something.

Updated on Jul. 11, 2025

2 minute read

How Many Words Should Kids Say? And When?

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

A child kissing the forehead of her baby sibling.

Updated on Jul. 10, 2025

8 minute read

Preparing Your Child for a New Sibling

Emily Oster, PhD

A pregnant person in a hospital check up.

Updated on Aug. 6, 2025

3 minute read

Is There a Link Between IVF Pregnancies and Autism?

Kolbe Hancock, MD

A petri dish with ovum and needle with sperm.

Updated on Aug. 6, 2025

3 minute read

Is It Normal to Have Varying IVF Cycles?

Breonna Slocum, MD

A model of intestine protected by two hands

Updated on Aug. 8, 2025

8 minute read

What We Know (and Don’t) About the Microbiome

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

A person checking her phone while having her sleeping baby in her lap.

Updated on Jul. 3, 2025

3 minute read

Are You More Fertile Postpartum?

Kolbe Hancock, MD

vaccines on blue background

Updated on Aug. 8, 2025

5 minute read

No, Vaccines Do Not Increase Autism by 1,135%

Emily Oster, PhD

A baby getting vaccinated.

Updated on Aug. 8, 2025

9 minute read

Vaccine Recommendations Are Changing. What Might Happen Next?

Emily Oster, PhD

A baby sitting on a parent's lap.

Updated on Jun. 25, 2025

3 minute read

Am I Hurting My Baby by Sitting Them Up?

Adam Davis, MD

A pregnant person taking pills from a box

Updated on Jun. 27, 2025

3 minute read

What’s the Data Behind Baby Aspirin Recommendations?

Nathan Fox, MD

A gloved hand injecting a solution in a petri dish.

Jun. 24, 2025

3 minute read

Do I Still Need Prenatal Tests After PGT-A Testing?

Breonna Slocum, MD

A person checking a fertility tracking app.

Jun. 24, 2025

2 minute read

Are Fertility Trackers and Ovulation Kits Necessary?

Breonna Slocum, MD