Top Sites>ParentData by Emily Oster ParentData is a data-driven guide through pregnancy, parenthood, and beyond.

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# ParentData

> ParentData is a data-driven guide through trying to conceive, pregnancy, parenting, and beyond. Founded and led by Emily Oster — PhD in economics from Harvard, professor of economics at Brown University, and New York Times best-selling author — ParentData translates the latest scientific research into answers to the questions you have in your daily life. The site features over 1,300 articles written by doctors, researchers, and specialists.

## About

- [About ParentData](https://parentdata.org/about-us): Mission, team, and FAQs
- [Data Methodology](https://parentdata.org/data-methodology/): How Emily Oster reviews research — evidence review process, study quality criteria, and approach to causation vs. correlation
- [Authors](https://parentdata.org/authors/): Full list of contributing doctors, researchers, and specialists
- [Contact](mailto:ask@parentdata.org): Email ask@parentdata.org

## Content by Life Stage

- [Trying to Conceive](https://parentdata.org/category/trying-to-conceive): Fertility, IVF, family planning, donor options
- [Pregnancy](https://parentdata.org/category/pregnancy): Prenatal care, labor, birth, pregnancy health
- [Babies](https://parentdata.org/category/babies): Newborn through 12 months — sleep, feeding, milestones
- [Toddlers](https://parentdata.org/category/toddlers): Ages 1–3 — development, behavior, potty training
- [Kids](https://parentdata.org/category/kids): School-age topics — education, screens, social development
- [Grown-Ups](https://parentdata.org/category/grown-ups): Parent health, hormones, post-reproductive wellness

## Content by Topic

- [Sleep](https://parentdata.org/search?s&taxonomy3=sleep): Sleep schedules, safe sleep, regressions
- [Sleep Training](https://parentdata.org/search?s&taxonomy3=sleep-training): Methods, research, age guidelines
- [Breastfeeding & Formula](https://parentdata.org/search?s&taxonomy3=breastfeeding-formula): Feeding decisions, supply, storage, weaning
- [Food & Nutrition](https://parentdata.org/search?s&taxonomy3=food-nutrition): Introducing solids, allergies, picky eating
- [Health & Wellness](https://parentdata.org/search?s&taxonomy3=health-wellness): Vaccines, illness, developmental health
- [Potty Training](https://parentdata.org/search?s&taxonomy3=potty-training): Readiness, methods, timelines
- [School](https://parentdata.org/search?s&taxonomy3=school): Education decisions, homework, school choice
- [Screens](https://parentdata.org/search?s&taxonomy3=screens): Screen time research and guidelines
- [All Topics](https://parentdata.org/articles/?s&show_all_topics=1): Browse the full topic list

## Key Resources

- [Free Resources](https://parentdata.org/resources/): Evidence-based one-pagers on formula, prenatal vitamins, safe sleep, vaccines, postpartum support, preeclampsia, and early allergen introduction — available in English and Spanish
- [Ask Petey](https://parentdata.org/ask-a-question): AI-powered tool that answers parenting questions using ParentData's content and Emily Oster's books
- [All Articles](https://parentdata.org/articles/): Browse the full archive of 1,300+ articles and Q&As
- [Join ParentData](https://parentdata.org/join-today/): 7-day free trial, data methodology, and what subscribers get
- [Subscription Plans](https://parentdata.org/plans/parentdata): Free, Web Access, Plus, and Premium tiers

## Newsletters

- The Latest from Emily: Research breakdowns and headlines
- FertilityData: Trying to conceive, fertility treatments, and family planning
- PregnantData: Personalized pregnancy guide by due date
- BabyData: Data-driven insights for ages 0–18 months
- ToddlerData: Navigating toddlerhood, ages 18–22 months
- Digest: Weekly roundup across all stages

## Books by Emily Oster

- Expecting Better: Data-driven guide to pregnancy decisions
- Cribsheet: Evidence-based parenting from birth to preschool
- The Family Firm: A data-driven approach to school-age family decisions
- The Unexpected: Navigating pregnancy complications with data

## Sitemap

- [Sitemap Index](https://parentdata.org/sitemap_index.xml)