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Updated on Sep. 2, 2025

7 minute read

Are Sleep Regressions Real?

Emily Oster, PhD

A doctor explaining a report to a patient in her office.

Updated on Sep. 2, 2025

11 minute read

How Does PGT-A Work?

Kolbe Hancock, MD

A person lookin at her smart watch.

Updated on Aug. 28, 2025

6 minute read

Do Wearables Work for Cycle Tracking?

Emily Oster, PhD

A box of used plastic baby bottles.

Updated on Aug. 28, 2025

2 minute read

Can I Reuse Plastic Bottles for My Next Baby?

Emily Oster, PhD

A manual breast pump filled with milk sits on a wooden table in front of a light blue wall.

Updated on Aug. 28, 2025

2 minute read

How Long Should I Breastfeed My Child?

Emily Oster, PhD

Baby wearing an amber necklace.

Updated on Aug. 28, 2025

2 minute read

Do Amber Necklaces Work for Teething Pain?

Emily Oster, PhD

A baby sticking his tongue out and pointing at it.

Updated on Aug. 26, 2025

3 minute read

Do Tongue Ties Impact Speech?

Jennifer Shonkoff

A parent looking a her phone with baby in hand.

Updated on Aug. 22, 2025

3 minute read

Are Preeclampsia Risks Higher With IVF Pregnancies?

Breonna Slocum, MD

A calendar and pregnancy tests on a table

Updated on Aug. 25, 2025

7 minute read

How Pregnancy Tests Work

Emily Oster, PhD

A baby wearing a diaper holds its feet in the air while laying on its back.

Updated on Aug. 25, 2025

4 minute read

Normal Baby Poop, Explained

Emily Oster, PhD

A happy family with a newborn.

Updated on Aug. 21, 2025

8 minute read

Does Giving Families Money Improve Child Outcomes?

Emily Oster, PhD

A person taking a cold plunge in freezing river.

Updated on Aug. 22, 2025

2 minute read

Is It Safe to Do Cold Plunges While TTC?

Emily Oster, PhD

A parent lifting a baby from the bassinet.

Updated on Aug. 19, 2025

2 minute read

Is My Scent Waking Up My Hungry Baby?

Emily Oster, PhD

Updated on Aug. 21, 2025

2 minute read

Does Bird Flu Spread Through Food?

Emily Oster, PhD

Two partners talking to another person

Updated on Aug. 21, 2025

3 minute read

Should You Do IUI or IVF when Using a Sperm Donor?

Marea Goodman, LM, CPM

A baby cries while a breastfeeding woman suffering from mastitis cups her breast in pain.

Updated on Aug. 21, 2025

9 minute read

Mastitis and the Guidance to Treat It

Emily Oster, PhD