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A baby rests face down on a fuzzy blanket during tummy time.

Updated on Oct. 17, 2025

2 minute read

Does My Baby Really Need Two Hours of Tummy Time Per Day?

Emily Oster, PhD

An adult person smiling with green trees in the background

Updated on Oct. 17, 2025

3 minute read

Why Are Girls Starting Puberty Sooner?

Emily Oster, PhD

A baby being breastfed.

Updated on Oct. 16, 2025

3 minute read

What Is Cluster Feeding?

Emily Oster, PhD

A parent breastfeeding a baby

Updated on Oct. 16, 2025

9 minute read

The Data Behind Breast Milk Supply

Emily Oster, PhD

IUD on colored background

Updated on Oct. 16, 2025

2 minute read

Will My IUD Help with Perimenopause Symptoms?

Gillian Goddard, MD

Kids in school looking at tabs.

Updated on Oct. 16, 2025

7 minute read

Are Classroom Screens Good for Learning?

Emily Oster, PhD

A parent feeds baby food to a baby in a high chair.

Updated on Oct. 16, 2025

13 minute read

How to Start Solids

Emily Oster, PhD

Arrangement of Adderall pills.

Updated on Oct. 16, 2025

2 minute read

Can I Take Adderall Before, During, and After Pregnancy?

Emily Oster, PhD

A baby holding their breath with puffed-out cheeks and lips.

Updated on Oct. 16, 2025

2 minute read

Why Is My Baby Holding Her Breath?

Emily Oster, PhD

A doctor measures the fundal height on a pregnant person.

Updated on Oct. 16, 2025

9 minute read

How Big Will My Baby Be?

Emily Oster, PhD

A tiny shoe, pregnancy test, Ultrasound, bib and a pacifier on a red background

Updated on Oct. 16, 2025

2 minute read

When Should You Announce Your Pregnancy?

Emily Oster, PhD

Child with headphones folding clothes and packing suitcase.

Updated on Oct. 16, 2025

11 minute read

How to Help Your Kids Be More Independent

Miranda Featherstone

A person painting the wall rusty red

Updated on Oct. 16, 2025

3 minute read

Is Painting Safe During Pregnancy?

Emily Oster, PhD

parents and kids sitting on sofa and watching movie

Updated on Oct. 16, 2025

3 minute read

When Should I Let My Kid Watch R-Rated Movies?

Emily Oster, PhD

A hospital-style baby blanket stretched out.

Updated on Oct. 16, 2025

3 minute read

Is It Dangerous to Swaddle My Baby Too Much?

Emily Oster, PhD

A baby basket with onsie, stuffed rabbit, and sonogram picture waits ready for a baby.

Updated on Oct. 16, 2025

1 minute read

Should I Consider Membrane Sweeping?

Emily Oster, PhD