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Highlights

  • Roe v. Wade Overturned
  • Reproductive Health Impact Study
  • Adding It Up
  • Abortion Worldwide
  • Guttmacher-Lancet Commission
  • Monthly Abortion Provision Study
  • US policy resources
  • State policy resources
  • State legislation tracker

Reports

  • Global
  • United States

Articles

  • Global research
  • US research
  • Policy analysis
  • Guttmacher Policy Review
  • Opinion

Fact Sheets

  • Global
  • United States
  • US State Laws and Policies

Data, Videos & Visualizations

  • Data center
  • Videos
  • Infographics
  • Public-use data sets

Peer-reviewed Journals

  • International Perspectives on Sexual and Reproductive Health (1975–2020)
  • Perspectives on Sexual and Reproductive Health (1969–2020)

Global

  • Abortion
  • Contraception
  • HIV & STIs
  • Pregnancy
  • Teens

US

  • Abortion
  • Contraception
  • HIV & STIs
  • Pregnancy
  • Teens

Our Work by Geography

  • Global
  • Africa
  • Asia
  • Europe
  • Latin America & the Caribbean
  • Northern America
  • Oceania

Who We Are

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  • Staff
  • Board
  • Job opportunities
  • Newsletter
  • History
  • Contact
  • Conflict of Interest Policy

Media

  • Media office
  • News releases

Support Our Work

  • Make a gift today
  • Monthly Giving Circle
  • Ways to Give
  • Guttmacher Guardians
  • Guttmacher Legacy Circle
  • Financials
  • 2024 Impact Report

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  • Bixby Fellowship
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Senior Research Assistant

Madeleine Haas

Portrait of Madeleine Haas

Madeleine Haas (she/they) joined the Guttmacher Institute in July 2020 as a Research Assistant I. Ms. Haas's research interests include LGBTQ+ sexual and reproductive health, sex education and reproductive justice. Prior to working at Guttmacher, they received their bachelor’s degree in sociology and political science from Ohio State University, where they were a relationship and sex educator and researched the impact of family ties on Ohio’s LGBTQ+ youth.

All Staff

Selected Publications

  1. April 2025 Research Article

    Assessing the Provision of Person-Centered Contraceptive Care at Publicly Supported Clinics Providing Contraceptive Services in the United States

    Jennifer Mueller, Priscille Osias, Madeleine Haas and Alicia VandeVusse Women's Health Issues
  2. November 2024 Report

    Publicly Supported Family Planning Clinics in 2022–2023: Trends in Service Delivery Practices and Protocols

    Alicia VandeVusse, Jennifer Mueller, Madeleine Haas, Priscille Osias and Tamrin Ann Tchou
  3. An image of multiple types of contraception: a condom, birth control pills, an I U D and a shot.
    October 2024 Research Article

    Differential associations between experiences of contraceptive care and subsequent contraceptive access and preferences among family planning patients by racial and ethnic identity: Evidence from Arizona, Iowa, and Wisconsin

    Megan L. Kavanaugh, Madeleine Haas and Ayana Douglas-Hall PLOS ONE
  4. BRFSS study US map preview image
    March 2024 Report

    State-Level Contraceptive Use and Preferences: Estimates from the US 2022 Behavioral Risk Factor Surveillance System

    Hannah Olson, Madeleine Haas and Megan L. Kavanaugh
  5. Reproductive Health Impact Study
    October 2023 Research Article

    Measuring the Relationship Between the 2019 Title X Final Rule and Patients’ Sexual and Reproductive Health Care Access and Behavior in Iowa Using a Difference-in-Difference Approach

    Megan L. Kavanaugh, Ellie Leong and Madeleine Haas Sexuality Research and Social Policy
  6. June 2022 Research Article

    Telehealth for Contraceptive Care During the COVID-19 Pandemic: Results of a 2021 National Survey

    Laura D. Lindberg, Jennifer Mueller, Madeleine Haas and Rachel K. Jones American Journal of Public Health
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