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Infant in a striped onesie does a plank position on a wood floor.

Updated on Nov. 24, 2025

5 minute read

Is Crawling Important?

Emily Oster, PhD

A pregnant person wearing a mask.

Updated on Nov. 20, 2025

8 minute read

Should You Be Concerned About COVID in Pregnancy?

Emily Oster, PhD

A parent and a kid sitting and discussing

Updated on Nov. 21, 2025

9 minute read

How to Talk to Your Kids (and Everyone Else) About Using a Donor

Marea Goodman, LM, CPM

An adorable bald baby.

Updated on Nov. 19, 2025

2 minute read

When Will My Baby’s Hair Start Growing?

Emily Oster, PhD

Child drinking at water fountain
In the news

Updated on Nov. 20, 2025

9 minute read

Is There Too Much Fluoride in Drinking Water?

Emily Oster, PhD

A father holding the hands of his son.

Updated on Nov. 17, 2025

4 minute read

How Much Does Having an Absent Parent Affect Children?

Karey O’Hara

a person with two babies and having vegetables on the table

Updated on Nov. 19, 2025

2 minute read

How Important Are Green Vegetables, Really?

Emily Oster, PhD

An array of used tissues and cold medicines on a yellow background.

Updated on Nov. 19, 2025

2 minute read

Why Aren't There Better Breastfeeding-Safe Medicines?

Emily Oster, PhD

People putting Thanksgiving turkey on a dressed table.

Updated on Nov. 19, 2025

2 minute read

Pregnant and Nervous About Thanksgiving Dinner

Emily Oster, PhD

A person looking at a pregnancy test.

Updated on Nov. 14, 2025

2 minute read

How Common Are Recurring Miscarriages?

Emily Oster, PhD

Sperm illustration.

Updated on Nov. 14, 2025

2 minute read

How Likely Is CMV Transmission From Donor Sperm?

Emily Oster, PhD

A baby sits with a pile of salt shakers looking stern.

Updated on Nov. 17, 2025

7 minute read

Can Babies Have Salt?

Emily Oster, PhD

A baby holding a parent's finger.

Updated on Nov. 13, 2025

8 minute read

The State of Parental Leave

Emily Oster, PhD

Two vials of liquid in a lab

Updated on Nov. 14, 2025

3 minute read

Should I Get a Genetic Carrier Screening Prior to TTC?

Emily Oster, PhD

A toddler eating with a spoon.

Updated on Nov. 12, 2025

2 minute read

What's the Right Portion Size for Toddler Meals?

Emily Oster, PhD

A breast pump and a bottle.

Updated on Nov. 12, 2025

8 minute read

Everything You Need to Know About Pumping

Emily Oster, PhD