Skip to main content
Guttmacher Institute

Search

  • X
  • Facebook
  • Instagram
  • Youtube
  • LinkedIn
  • Contact

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

  • About
  • 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

Awards & Scholarships

  • Darroch Award
  • Richards Scholarship
  • Bixby Fellowship
Donate
Guttmacher Institute
Donate

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

  • About
  • 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

Awards & Scholarships

  • Darroch Award
  • Richards Scholarship
  • Bixby Fellowship
Donate
  • X
  • Facebook
  • Instagram
  • Youtube
  • LinkedIn
  • Contact

Senior Research Associate

Ellie Leong

Guttmacher Staff placeholder image

Since joining the Guttmacher Institute in 2014, Ellie Leong has worked on numerous domestic and global research projects, including studies on family planning, sexuality education, abortion incidence and contraceptive effectiveness. Her research interests include reproductive decision-making and applications of data science for sexual and reproductive health research. Ms. Leong received a BA in psychology from Macaulay Honors College at Hunter College and an MS in applied statistics for social science research at New York University.

All Staff

Selected Publications

  1. An image of contraceptives next to a picture of the state of Arizona
    November 2024 Research Article

    Differential Associations Between Access to Sexual and Reproductive Healthcare and Subsequent Contraceptive and Pregnancy Outcomes by Ethnicity Among Family Planning Patients in Arizona

    Megan L. Kavanaugh, Ellie Leong and Christina E. Geddes Women's Reproductive Health
  2. 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
  3. July 2023 Research Article

    The confidante method to measure abortion: implementing a standardized comparative analysis approach across seven contexts

    Onikepe Owolabi, Margaret Giorgio, Ellie Leong and Elizabeth A. Sully Population Health Metrics
  4. September 2020 Research Article

    An Application of the Confidante Method to Estimate Induced Abortion Incidence in Java, Indonesia

    Melissa Stillman, Ellie Leong, Budi Utomo, Dadun Dadun, Riznawaty Imma Aryanty, Gilda Sedgh and Margaret Giorgio International Perspectives on Sexual and Reproductive Health
  5. September 2020 Research Article

    Classroom implementation of national sexuality education curricula in four low- and middle-income countries

    Sarah Keogh, Ellie Leong, Angélica Motta, Estelle M. Sidze, Ana Silvia Monzón and Joshua Amo-Adjei Sex Education
  6. June 2019 Research Article

    Characteristics of immigrants obtaining abortions and comparison with U.S.-born individuals

    Sheila Desai, Ellie Leong and Rachel K. Jones Journal of Women's Health
  7. June 2019 Research Article

    Measuring the quality of sexuality education implementation at the school level in low- and middle-income countries

    Melissa Stillman, Ellie Leong, Kofi Awusabo-Asare, Estelle M. Sidze, Ana Silvia Monzón and Angélica Motta Sex Education
  8. June 2019 Research Article

    Measuring the quality of sexuality education implementation at the school level in low- and middle-income countries

    Sarah Keogh, Melissa Stillman, Ellie Leong, Kofi Awusabo-Asare, Estelle M. Sidze, Ana Silvia Monzón and Angélica Motta Sex Education
  9. May 2019 Research Article

    Data opportunities for studying the sexual and reproductive health of immigrants in the United States

    Athena Tapales, Sheila Desai and Ellie Leong Journal of Health Care for the Poor and Underserved
  10. July 2018 Research Article

    Challenges to Implementing National Comprehensive Sexuality Education Curricula in Low- And Middle-Income Countries: Case Studies of Ghana, Kenya, Peru and Guatemala

    Sarah Keogh, Melissa Stillman, Kofi Awusabo-Asare, Estelle M. Sidze, Ana Silvia Monzón, Angélica Motta and Ellie Leong PLOS ONE

Pagination

  • Current page 1
  • Page 2
  • Next page Next
  • Last page Last
Guttmacher Institute

Center facts. Shape policy.
Advance sexual and reproductive rights.

Donate Now
Newsletter Signup  Contact Us 
  • X
  • Facebook
  • Instagram
  • Youtube
  • LinkedIn
  • Contact

Footer

  • Privacy Policy
  • Accessibility Statement
© 2025 Guttmacher Institute. The Guttmacher Institute is registered as a 501(c)(3) nonprofit organization under the tax identification number 13-2890727. Contributions are tax deductible to the fullest extent allowable.
OSZAR »