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

Amanda Cleeve1,2, Xin Lu3, Mart Stein4

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A significant percentage of women in Argentina opt for self-managed abortion (SMA) outside formal healthcare, even after legalization. Web-based respondent-driven sampling (RDS) effectively estimated this prevalence, highlighting access gaps.

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Health Services Researchabortion, inducedepidemiology

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Area of Science:

  • Reproductive Health
  • Public Health Surveillance
  • Social Epidemiology

Background:

  • Abortion access in Argentina remains uneven post-legalization in 2020.
  • Self-managed abortion (SMA) outside formal healthcare systems is a significant public health issue.
  • Respondent-driven sampling (RDS) is a valuable tool for studying hidden populations and behaviors.

Purpose of the Study:

  • To estimate the prevalence of self-managed abortion (SMA) outside the formal healthcare system in Argentina.
  • To assess the utilization of SMA before and after the 2020 abortion legalization.
  • To explore the experiences and preferences of individuals undergoing SMA.

Main Methods:

  • A cross-sectional web-based survey using respondent-driven sampling (webRDS) was conducted from February to May 2024.
  • Participants included individuals aged 16-49 years, ever pregnant, and residing in Argentina.
  • The RDS II estimator was employed to generate prevalence estimates for SMA outside the formal healthcare system.

Main Results:

  • The study recruited 1340 participants through seven RDS chains.
  • An estimated 17.1% of participants reported ever having an abortion.
  • Among those with abortion experience, an estimated 20.7% reported an SMA outside the formal healthcare system, with 24.7% occurring post-legalization.

Conclusions:

  • A substantial proportion of abortions in Argentina occur outside the formal healthcare system, persisting after legal reform.
  • Findings underscore the need to address diverse needs and preferences for unintended pregnancy management.
  • Web-based RDS is a feasible and effective method for studying self-managed abortion prevalence.