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A baby lying on her tummy and smiling.

Updated on Dec. 20, 2025

1 minute read

When Do Babies Start Smiling?

Emily Oster, PhD

An anemic person looks worn down while looking into the mirror.

Updated on Dec. 20, 2025

3 minute read

Why You Should Test for Anemia

Emily Oster, PhD

baby crying intensely

Updated on Dec. 20, 2025

8 minute read

All About Colic

Adam Davis, MD

A doctor checking a new born.

Updated on Dec. 20, 2025

9 minute read

What to Expect at Your Baby’s Well Visits (0 to 18 Months)

Adam Davis, MD

A person in therapy

Updated on Dec. 19, 2025

10 minute read

Supporting Your Mental Health While Trying to Conceive

Emily Oster, PhD

Updated on Dec. 19, 2025

9 minute read

What Things Can I Do with My Baby?

Emily Oster, PhD

A baby crying

Updated on Dec. 17, 2025

2 minute read

What Is the Witching Hour, and How Do I Manage It?

Emily Oster, PhD

A pregnant person and partner sit on a couch surrounded by brown boxes of baby items.

Updated on Dec. 18, 2025

9 minute read

The Best Baby Items — And the Worst

Emily Oster, PhD

A person sleeping on bed

Updated on Dec. 17, 2025

7 minute read

Should Adults Nap?

Emily Oster, PhD

Woman mixing a bottle of formula
In the news

Updated on Dec. 17, 2025

4 minute read

ByHeart Has Recalled All of Its Infant Formula

Emily Oster, PhD

wooden toys placed on a white background

Updated on Dec. 17, 2025

2 minute read

Are Wooden Toys Better for Babies?

Emily Oster, PhD

a tattoo pen and dye colors on a table

Updated on Dec. 17, 2025

3 minute read

Can I Get A Tattoo While Breastfeeding?

Emily Oster, PhD

A person after getting a vaccine shot.

Updated on Dec. 15, 2025

2 minute read

Should I Wait to Try and Conceive After My COVID-19 Booster?

Emily Oster, PhD

A healthy sperm injected into a egg.

Updated on Dec. 15, 2025

4 minute read

What Are the Risks of ICSI?

Breonna Slocum, MD

Eggs in a basket.

Updated on Dec. 15, 2025

3 minute read

Do Alcohol and Marijuana Affect Egg Quality?

Emily Oster, PhD

A parent in a kitchen looking stressed with a baby.

Updated on Dec. 12, 2025

13 minute read

Why Parenting Feels Harder Than Ever

Corinne Low, PhD