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A group of babies listening to ParentData on headphones

Jan. 8, 2023

29 minute read

Puberty, Postpartum, and Adaptation

Emily Oster, PhD

A teddy bear sits in a blue highchair eating oatmeal and an apple.

Jan. 6, 2023

3 minute read

Is My Toddler Overeating?

Emily Oster, PhD

A red manual blood pressure gauge and a plastic red heart are seen on a red background.

Updated on Dec. 12, 2024

5 minute read

How to Manage Severe Preeclampsia and Early Delivery

Nathan Fox, MD

Gold balloons spell out "It's a girl" on a pink background.

Updated on Oct. 10, 2025

2 minute read

How Can I Conceive a Girl?

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 sleeping mother with her hand on her baby's stomach as he lays next to her in his bassinet.

Updated on Mar. 17, 2025

7 minute read

Is There a Best Method for Sleep Training?

Emily Oster, PhD

A pile of chocolate bars and nuts on a white background.

Updated on Feb. 5, 2025

3 minute read

Should I Worry About Exposure to Lead in Chocolate While Pregnant?

Emily Oster, PhD

A blue and white digital thermometer sits on a pink background.

Dec. 23, 2022

2 minute read

How Accurate Is My Thermometer?

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 stash of filled breast milk freezer bags is seen with a hand on either side of the bag.

Updated on Apr. 14, 2025

12 minute read

How to Store Breast Milk

Emily Oster, PhD

Reusable coffee cups with purple silicone lids and sleeves on a yellow background.

Dec. 16, 2022

3 minute read

When Should I Let My Kids Drink Coffee?

Emily Oster, PhD

A person stands against a yellow wall and holds their breath while smiling.

Dec. 16, 2022

2 minute read

Is It Bad to Hold Your Breath During Pregnancy?

Emily Oster, PhD

An array of different pills on a blue background.

Updated on Dec. 12, 2024

3 minute read

Should I Take Antibiotics for Group B Strep During Pregnancy?

Emily Oster, PhD

A parent looking at the phone with two kids

Updated on Jul. 3, 2025

4 minute read

Is It Bad for Parents to Use Phones Around Their Kids?

Emily Oster, PhD

Four toothbrushes laid around a paper tooth on a pink background.

Updated on Feb. 5, 2025

7 minute read

When Should You Brush Your Teeth?

Emily Oster, PhD

A calendar with colorful pens beside it.

Updated on Dec. 19, 2024

2 minute read

Should I Maintain My Kid’s Schedule over the Holidays?

Emily Oster, PhD