Prevalence estimation of self-managed abortion in Argentina: a web-based respondent-driven sampling study

Fil: Cleeve, Amanda. Department of Womens and Childrens Health, Karolinska Institute; WHO Collaborating Center for Human Reproduction, Karolinska University Hospital; Stockholm, Sweden

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Detalles Bibliográficos
Autores principales: Stein, Mart, Cleeve, Amanda, Thorson, Anna, Gemzell Danielsson, Kristina, Kågesten, Anna, Brizuela, Vanessa, Lavelanet, Antonella, Vila Ortiz, Mercedes, Romero, Mariana, Lu, Xin, Helms, Yannick
Formato: Artículo
Lenguaje:Inglés
Publicado: 2026
Materias:
ABORTO INDUCIDO
ARGENTINA
INVESTIGACION SOBRE SERVICIOS DE SALUD
Acceso en línea:http://repositorio.cedes.org/handle/123456789/4817
Aporte de:
Respositorio Digital CRIS del CEDES - Centro de Estudios de Estado y Sociedad de Centro de Estudios de Estado y Sociedad (CEDES)
id I61-R167-123456789-4817
record_format dspace
spelling I61-R167-123456789-48172026-02-03T18:34:05Z Prevalence estimation of self-managed abortion in Argentina: a web-based respondent-driven sampling study Stein, Mart Cleeve, Amanda Thorson, Anna Gemzell Danielsson, Kristina Kågesten, Anna Brizuela, Vanessa Lavelanet, Antonella Vila Ortiz, Mercedes Romero, Mariana Lu, Xin Helms, Yannick ABORTO INDUCIDO ARGENTINA INVESTIGACION SOBRE SERVICIOS DE SALUD Fil: Cleeve, Amanda. Department of Womens and Childrens Health, Karolinska Institute; WHO Collaborating Center for Human Reproduction, Karolinska University Hospital; Stockholm, Sweden Fil: Lu, Xin. College of Systems Engineering, National University of Defense Technology; Changsha, China Fil: Stein, Mart. National Institute for Public Health and the Environment, Bilthoven, The Netherlands Fil: Vila Ortiz, Mercedes. Centro Rosarino de Estudios Perinatales (CREP); Rosario, Santa Fe Province, Argentina Fil: Lavelanet, Antonella. UNDP-UNFPA-UNICEF-WHO-World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP), Department of Sexual and Reproductive Health and Research, World Health Organization; Geneva, Switzerland Fil: Kågesten, Anna. Department of Global Public Health, Karolinska Institutet; Stockholm, Sweden Fil: Helms, Yannick. National Institute for Public Health and the Environment; Bilthoven, The Netherlands Fil: Thorson, Anna. UNDP-UNFPA-UNICEF-WHO-World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP), Department of Sexual and Reproductive Health and Research, World Health Organization; Geneva, Switzerland Fil: Brizuela, Vanessa. UNDP-UNFPA-UNICEF-WHO-World Bank Special Programme of Research, Development and Research Training in Human Reproduction (HRP), Department of Sexual and Reproductive Health and Research, World Health Organization; Geneva, Switzerland Fil: Gemzell Danielsson, Kristina. Department of Womens and Childrens Health, Karolinska Institute; Stockholm, Sweden Background: Respondent-driven sampling (RDS) is a social network sampling technique used to study hidden behaviours. We used web-based RDS (webRDS) to estimate the prevalence of self-managed abortion (SMA) outside the formal healthcare system in Argentina where abortion was legalised in 2020, but access remains uneven. Methods: A cross-sectional web survey (February-May 2024) among individuals aged 16-49 years, ever pregnant, and residing in Argentina. Our primary outcome was the proportion of SMA occurring outside the formal healthcare system. Estimates were generated using the RDS II estimator. Results: Seven recruitment chains generated 2437 participants (mean of 19.8 recruitment waves, the longest being 51). We filtered for suspected repeat and ineligible participation and generated RDS estimates for the remaining 1340 participants. The estimated personal network size was 4.9; participants knew an average of 2.7 peers with abortion experience. An estimated 17.1% reported ≥1 abortion, ever in life. Among these, an estimated 20.7% (95% CI 14.2 to 28.0) reported an SMA outside the formal healthcare system; 65.3% before and 24.7% after the legal reform. An estimated 42.2% completed the SMA alone. Reported advantages included autonomy in timing and setting, and support person choice. Disadvantages included concerns about pill quality and uncertainties around the process. Conclusions: A substantial proportion of women in Argentina with abortion experience have had an SMA outside the formal healthcare system, including post-legalisation. Our findings highlight the need to better address the preferences and needs of those facing unintended pregnancy and the potential of webRDS to study SMA. 2026-01-30T15:59:07Z 2026-01-30T15:59:07Z 2026-01-09 Artículo http://repositorio.cedes.org/handle/123456789/4817 10.1136/bmjsrh-2025-203035 41513447 en BMJ Sex Reprod Health;2026 Jan 9:bmjsrh-2025-203035
institution Centro de Estudios de Estado y Sociedad (CEDES)
institution_str I-61
repository_str R-167
collection Respositorio Digital CRIS del CEDES - Centro de Estudios de Estado y Sociedad
language Inglés
topic ABORTO INDUCIDO
ARGENTINA
INVESTIGACION SOBRE SERVICIOS DE SALUD
spellingShingle ABORTO INDUCIDO
ARGENTINA
INVESTIGACION SOBRE SERVICIOS DE SALUD
Stein, Mart
Cleeve, Amanda
Thorson, Anna
Gemzell Danielsson, Kristina
Kågesten, Anna
Brizuela, Vanessa
Lavelanet, Antonella
Vila Ortiz, Mercedes
Romero, Mariana
Lu, Xin
Helms, Yannick
Prevalence estimation of self-managed abortion in Argentina: a web-based respondent-driven sampling study
topic_facet ABORTO INDUCIDO
ARGENTINA
INVESTIGACION SOBRE SERVICIOS DE SALUD
description Fil: Cleeve, Amanda. Department of Womens and Childrens Health, Karolinska Institute; WHO Collaborating Center for Human Reproduction, Karolinska University Hospital; Stockholm, Sweden
format Artículo
author Stein, Mart
Cleeve, Amanda
Thorson, Anna
Gemzell Danielsson, Kristina
Kågesten, Anna
Brizuela, Vanessa
Lavelanet, Antonella
Vila Ortiz, Mercedes
Romero, Mariana
Lu, Xin
Helms, Yannick
author_facet Stein, Mart
Cleeve, Amanda
Thorson, Anna
Gemzell Danielsson, Kristina
Kågesten, Anna
Brizuela, Vanessa
Lavelanet, Antonella
Vila Ortiz, Mercedes
Romero, Mariana
Lu, Xin
Helms, Yannick
author_sort Stein, Mart
title Prevalence estimation of self-managed abortion in Argentina: a web-based respondent-driven sampling study
title_short Prevalence estimation of self-managed abortion in Argentina: a web-based respondent-driven sampling study
title_full Prevalence estimation of self-managed abortion in Argentina: a web-based respondent-driven sampling study
title_fullStr Prevalence estimation of self-managed abortion in Argentina: a web-based respondent-driven sampling study
title_full_unstemmed Prevalence estimation of self-managed abortion in Argentina: a web-based respondent-driven sampling study
title_sort prevalence estimation of self-managed abortion in argentina: a web-based respondent-driven sampling study
publishDate 2026
url http://repositorio.cedes.org/handle/123456789/4817
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