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Highlights

  • Reproductive Health Impact Study
  • Adding It Up
  • Abortion Worldwide
  • Guttmacher-Lancet Commission
  • US policy resources
  • State policy resources
  • International Perspectives on Sexual and Reproductive Health (1975–2020)
  • Perspectives on Sexual and Reproductive Health (1969–2020)

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

Tools

  • Interactive Map: US Abortion Policies and Access After Roe
  • Family Planning Investment Impact Calculator
  • Monthly Abortion Provision Study Dashboard
  • State legislation tracker
  • Public-use data sets

Global

  • Abortion
  • Contraception
  • Pregnancy
  • Teens

US

  • Abortion
  • Contraception
  • 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

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  • Make a gift today
  • Monthly Giving Circle
  • Ways to Give
  • Guttmacher Guardians
  • Guttmacher Legacy Circle
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Vice President for International Research

Onikepe Owolabi

Portrait of Onikepe Owolabi

Onikepe Owolabi is Guttmacher’s Vice President for International Research. Prior to assuming this role in 2025, she served as Guttmacher’s Director of International Research. Past positions include Senior Global Director for Maternal, Newborn, Child Health and Family Planning at IntraHealth International and Senior Research Scientist at Guttmacher, which she held from 2016 to 2021. Her research at that time focused primarily on abortion and maternal morbidity measurement and the quality of sexual and reproductive health care within health systems. Onikepe has research and programmatic expertise in maternal and reproductive health in sub-Saharan Africa and Southeast Asia and has authored or coauthored more than 50 peer-reviewed and other scientific publications.

Onikepe completed her medical degree at the Obafemi Awolowo University in Nigeria, her master’s degree in global health at the University of Oxford and her PhD at the London School of Hygiene and Tropical Medicine. She was also part of the 2022 US Cohort of the WomenLiftHealth Leadership Journey, an experiential, results-driven fellowship for mid- to senior-career women in health whose work serve target populations in low- and middle-income countries.

 

All Staff

Selected Publications

  1. August 2025 Research Article

    Capturing pregnancy recognition trajectories: a critical reflection of new quantitative measures tested in Ethiopia, Malawi, Nigeria and Zambia

    Joe Strong, Ann M. Moore, Ernestina Coast, Onikepe Owolabi and Tamara Fetters Sexual and Reproductive Health Matters
  2. April 2025 Opinion

    Protecting global sexual and reproductive health and rights in the face of retrograde US policies and positions

    Susheela Singh, Gilda Sedgh, Elizabeth A. Sully, Onikepe Owolabi and Jonathan Wittenberg The Lancet
  3. Just the Numbers Special Analysis preview image
    January 2025 Policy Analysis

    Family Planning Impact of the Trump Foreign Assistance Freeze

    Elizabeth A. Sully, Onikepe Owolabi and Jessica D. Rosenberg
  4. Wheel with 17 different color sections on a light purple background
    October 2024 Research Article

    Progress towards sustainable development goals related to sexual health

    Onikepe Owolabi, Jonathan Hopkins, Akinrinola Bankole and Jonathan Bearak Bulletin of the World Health Organization
  5. A preview image with an outline of Africa
    August 2024 Research Article

    Assessing post-abortion care using the WHO quality of care framework for maternal and newborn health: a cross-sectional study in two African hospitals in humanitarian settings

    Estelle Pasquier, Onikepe Owolabi, Bill Powell, Tamara Fetters, Richard Norbert Ngbale, Daphne Lagrou, Claire Fotheringham, Catrin Schulte-Hillen, Huiwu Chen, Timothy Williams, Ann M. Moore, Mariette Claudia Adame Gbanzi, Pierre Debeaudrap, Veronique Filippi, Lenka Benova and Olivier Degomme Reproductive Health
  6. March 2024 Research Article

    Decision-making and social network support around ending unwanted pregnancies using misoprostol in Lagos state, Nigeria

    Grace Kumolu, Melissa Stillman, Onikepe Owolabi, Akinrinola Bankole, Ann M. Moore, Akanni Akinyemi and Adesegun Fatusi African Journal of Reproductive Health
  7. March 2024 Research Article

    Co-creation strategies for identifying abortion research gaps in Nigeria towards research capacity strengthening for early to midcareer abortion researchers

    Akanni Akinyemi, Adesegun Fatusi, Ojo Agunbiade, Olaitan Oyedun, Oladimeji Ogunoye, Melissa Stillman, Onikepe Owolabi and Akinrinola Bankole African Journal of Reproductive Health
  8. 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
  9. August 2022 Research Article

    Quality of information offered to women by drug sellers providing medical abortion in Nigeria: Evidence from providers and their clients

    Akanni Akinyemi, Onikepe Owolabi, Temitope Erinfolami, Melissa Stillman and Akinrinola Bankole Frontiers in Global Women's Health
  10. May 2021 Research Article

    Sexual and Reproductive Health Literacy, Misoprostol Knowledge and Use of Medication Abortion in Lagos State, Nigeria: A Mixed Methods Study

    Heini Väisänen, Ann M. Moore, Onikepe Owolabi, Melissa Stillman, Adesegun O. Fatusi and Akanni I Akinyemi Studies in Family Planning

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