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Trends in Abortion Rates in Ontario, Canada.

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Summary
This summary is machine-generated.

Abortion rates in Ontario declined then gradually increased following mifepristone availability. Despite global trends, significant increases were not observed in Ontario by 2022, suggesting stable reproductive health services.

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Area of Science:

  • Reproductive Health
  • Public Health Policy
  • Demographic Trends

Background:

  • Abortion rates have declined over decades, but recent increases are noted globally.
  • The impact of mifepristone availability and the COVID-19 pandemic on Canadian abortion rates remains unclear.

Purpose of the Study:

  • To analyze abortion rates in Ontario between 2012 and 2022.
  • To investigate changes in abortion trends linked to mifepristone accessibility, the pandemic, and post-pandemic periods.

Main Methods:

  • Population-based interrupted time series cohort study.
  • Utilized linked health administrative data for medication and procedural abortions in Ontario (2012-2022).
  • Examined trends in relation to mifepristone regulation (2017) and the COVID-19 pandemic (2020-2021).

Main Results:

  • The overall abortion rate declined from 15.6 to 12.3 per 1000 females (aged 15-44) between 2012 and 2021, then rose to 14.1 in 2022.
  • Mifepristone availability in 2017 was associated with a gradual increase in rates, particularly among younger age groups.
  • Abortion rates decreased during the pandemic (2020-2021) but showed a notable increase by 2022, aligning with 5-year trends post-mifepristone introduction.

Conclusions:

  • Abortion rates in Ontario showed a gradual increase following mifepristone availability, contrasting with some international trends.
  • Ontario's stable abortion rates by 2022 may be attributed to its healthcare system and reproductive health policies.
  • Further research is needed to understand the influence of sociocultural factors on abortion and contraception use in Canada.