Understanding Gestational Diabetes

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How pregnancy hormones affect blood sugar

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Gillian Goddard explains gestational diabetes, how pregnancy hormones affect blood sugar, how GDM is diagnosed and treated, and what the data says about risks during and after pregnancy.

Why Do People Get Insomnia During Pregnancy?

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Q&A on sleepless nights

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Emily Oster explains why insomnia is so common during pregnancy, what’s driving sleepless nights, and which treatments — from CBT-I to sleep aids — actually help.

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

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Q&A on radiation

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Emily Oster answers whether it’s safe to get an X-ray while pregnant, explaining radiation levels, fetal risk thresholds, and when imaging during pregnancy is medically appropriate.

Does Chlamydia Cause Infertility?

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Q&A on STDs

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Meggie Smith explains how chlamydia can affect fertility, breaking down the risks of fallopian tube damage, pelvic inflammatory disease, and why early testing and treatment matter.

How to Make the Right Decisions

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Here's why data isn't bossy

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Emily Oster explains why good decision-making isn’t about letting data or instinct take over, showing how evidence, preferences, and real-world constraints work together to support confident, data-backed decisions.

What’s the Best Breast Pump to Get?

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Q&A on different options

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Emily Oster explains why good decision-making isn’t about letting data or instinct take over, showing how evidence, preferences, and real-world constraints work together to support confident, data-backed decisions.

What Americans Actually Eat

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How real diets compare to the new dietary guidelines, and policy changes that can help

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Emily Oster breaks down what Americans actually eat compared with the latest dietary guidelines, using national data to explain gaps in the American diet and the policy changes needed to close them.

Should My Baby Be Bathed at the Hospital?

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Q&A on waiting until you’re home

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Emily Oster explains whether newborns should be bathed in the hospital or at home, the benefits of delaying a first baby bath, and what the evidence says about baby bathing and newborn care.

Why Is This Flu Season So Bad?

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What the data says about severity, vaccines, and what actually helps

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Is this flu season really worse than usual? What the data shows about severity, vaccine effectiveness, and what actually helps protect you and your family.

Flu 101

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Prevention and treatment options

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What is the flu, how does it spread, and what actually helps? A data-driven guide to flu symptoms, treatment, prevention, and vaccination for all ages.

What Changed in the Childhood Vaccine Schedule?

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How the new CDC recommendations work, and why they matter for parents

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The CDC has changed the childhood vaccine schedule. What changed, what didn’t, and what it means for parents—without panic, and without misinformation.

Can I Get Pregnant With an Irregular Period?

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Q&A on tracking your cycle

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Irregular cycles can make timing harder, but pregnancy is absolutely possible if you’re ovulating. We cover practical steps—tracking, ovulation strips, and when to check in with your OB—to help maximize your chances.