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Updated on Jul. 23, 2025

2 minute read

How Long Does It Take to Conceive?

Emily Oster, PhD

A basket of variety of eggs.

Updated on Jul. 18, 2025

3 minute read

What Is the Data on Implanting Mosaic Embryos?

Kolbe Hancock, MD

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 pregnant person playing with her baby.

Updated on Jul. 16, 2025

2 minute read

Will Pregnancy Affect My Milk Supply?

Emily Oster, PhD

A group of children playing.
In the news

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

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 parent talking to a child and showing something.

Updated on Oct. 10, 2025

2 minute read

How Many Words Should Kids Say? And When?

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
In the news

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
In the news

Updated on Aug. 8, 2025

5 minute read

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

Emily Oster, PhD

A baby getting vaccinated.
In the news

Updated on Sep. 23, 2025

9 minute read

Vaccine Recommendations Are Changing. What Might Happen Next?

Emily Oster, PhD