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Abortion Surveillance - United States, 2021
Morbidity and Mortality Weekly Report. Surveillance Summaries (Washington, D.C. : 2002)
|November 22, 2023
Summary
The CDC
Area of Science:
- Public Health Surveillance
- Reproductive Health Statistics
- Maternal Mortality
Background:
- The Centers for Disease Control and Prevention (CDC) conducts abortion surveillance to gather data on legal induced abortions and related deaths in the U.S.
- This surveillance is crucial for understanding reproductive health trends and informing public health strategies.
Purpose of the Study:
- To document the number and characteristics of women obtaining legal induced abortions in the United States for 2021.
- To assess abortion-related deaths in the U.S. for 2020.
- To analyze trends in abortion rates and ratios from 2012 to 2021.
Main Methods:
- Abortion data were collected from 48 reporting areas in the U.S. for 2021.
- Abortion rates and ratios were calculated using U.S. Census and natality data.
- Abortion-related deaths were assessed through the CDC's Pregnancy Mortality Surveillance System (PMSS).
Main Results:
- In 2021, 625,978 abortions were reported. From 2020 to 2021, the total number of abortions, rate, and ratio increased by 5%, 5%, and 4%, respectively.
- From 2012 to 2021, the total number of abortions, rate, and ratio decreased by 8%, 11%, and 1%, respectively.
- Women in their 20s accounted for over half of abortions in 2021. Early medication abortion at ≤9 weeks gestation was the most common method (53.0%). Six abortion-related deaths were reported for 2020.
Conclusions:
- Despite long-term decreases, a short-term increase in abortions was observed from 2020 to 2021.
- Abortion surveillance data are vital for evaluating programs that promote access to contraceptive services and reduce unintended pregnancies.
- Understanding demographic and gestational trends aids in targeted public health interventions.
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