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A scoop of baby powder spilled on a blue background next to a teddy bear and empty bottle.

Updated on Feb. 26, 2026

4 minute read

Is It Safe to Reuse Unfinished Formula?

Emily Oster, PhD

Toddler sitting down and biting a toy.

Updated on Feb. 25, 2026

5 minute read

What Should I Do When My Toddler Bites?

Emily Oster, PhD

multiple dices placed on a pink background

Updated on Feb. 25, 2026

9 minute read

Understanding Risk, Living With Uncertainty

Emily Oster, PhD

A person looking at a pregnancy test.

Updated on Feb. 25, 2026

2 minute read

Does Past Fertility Give a Clue to Future Conception Success?

Emily Oster, PhD

A person using a breastpump.

Updated on Feb. 24, 2026

3 minute read

What’s the Best Breast Pump to Get?

Emily Oster, PhD

A woman staring at a laptop.

Updated on Feb. 24, 2026

8 minute read

How to Make the Right Decisions

Emily Oster, PhD

A person staring outside the window.

Updated on Feb. 24, 2026

2 minute read

Does Chlamydia Cause Infertility?

Meggie Smith, MD

X-ray technician prepping the room to take an x-ray

Updated on Feb. 24, 2026

2 minute read

Is It Okay to Get an X-Ray While Pregnant?

Emily Oster, PhD

A pregnant person sleeping.

Updated on Feb. 24, 2026

3 minute read

Why Do People Get Insomnia During Pregnancy?

Emily Oster, PhD

A pregnant person checking sugar levels.

Updated on Feb. 24, 2026

10 minute read

Understanding Gestational Diabetes

Gillian Goddard, MD

A pregnant person getting a checkup.

Updated on Feb. 24, 2026

2 minute read

Should I Get Routine Cervical Checks?

Emily Oster, PhD

Parents to be looking at their phones and discussing.

Updated on Feb. 24, 2026

9 minute read

How to Decide About Child Care

Emily Oster, PhD

A mom holding her child who has measles.
In the news

Updated on Feb. 24, 2026

8 minute read

What’s Going on With Measles?

Emily Oster, PhD

A person looking at the phone.

Updated on Feb. 24, 2026

3 minute read

Does Having High Testosterone Levels Affect Fertility?

Meggie Smith, MD

A couple looking at their phones and discussing.

Updated on Feb. 20, 2026

6 minute read

What Do At-Home Fertility Testing Kits Actually Tell You?

Gillian Goddard, MD

A person looking out the window looking stressed.
In the news

Updated on Feb. 21, 2026

8 minute read

What Are Endocrine-Disrupting Chemicals?

Gillian Goddard, MD