Related Experiment Video
Updated: Apr 30, 2026

09:26
Transabdominal Ultrasound for Pregnancy Diagnosis in Reeves' Muntjac Deer
Published on: January 7, 2014
10.8K
Pregnancy- and Abortion-Related Mortality in the US, 2018-2021
Maria W Steenland1, Kerra Mercon1, Benjamin P Brown2
1Department of Family Science, School of Public Health, University of Maryland, College Park, College Park.
JAMA Network Open
|January 21, 2026
Summary
Updated data shows pregnancy-related deaths are significantly riskier than abortion-related deaths. The mortality ratio is at least 3 times higher, highlighting the health risks of forced pregnancy continuation.
Area of Science:
- Public Health
- Reproductive Health
- Mortality Statistics
Background:
- The Dobbs v. Jackson Women's Health Organization decision has intensified discussions on abortion access and maternal health.
- Previous estimates (1998-2005) indicated childbirth mortality was ~14 times higher than abortion mortality.
- Updated data is needed to reflect current maternal death detection and abortion safety.
Purpose of the Study:
- To calculate the ratio of pregnancy-related to abortion-related mortality using recent data (2018-2021).
- To compare updated mortality ratios with historical estimates.
- To assess the impact of abortion restrictions on maternal health risks.
Main Methods:
- Cross-sectional study using National Vital Statistics System data (2018-2021) for births and pregnancy-related deaths.
- Abortion-related deaths sourced from the Pregnancy Mortality Surveillance System; abortion numbers from the Guttmacher Institute.
- Mortality ratios calculated per 100,000 births/abortions, with sensitivity analyses excluding certain ICD-10 codes and COVID-19 deaths.
Main Results:
- Between 2018-2021, there were over 14.9 million births and 3.6 million abortions.
- The mean pregnancy-related to abortion-related mortality ratio ranged from 44.3 to 69.6, depending on exclusions.
- This updated ratio is at least 3 times higher than the 1998-2005 estimate of 14.7.
Conclusions:
- The risk of death from pregnancy is substantially higher than from abortion, based on 2018-2021 data.
- Abortion bans compel individuals to undertake greater health risks associated with continuing a pregnancy.
- Ensuring access to abortion is critical for mitigating maternal health risks.
Related Concept Videos
Regression Toward the Mean
6.3K
Regression toward the mean (“RTM”) is a phenomenon in which extremely high or low values—for example, and individual’s blood pressure at a particular moment—appear closer to a group’s average upon remeasuring. Although this statistical peculiarity is the result of random error and chance, it has been problematic across various medical, scientific, financial and psychological applications. In particular, RTM, if not taken into account, can interfere when...
6.3K
Nondisjunction
4.5K
Nondisjunction is the failure of homologous chromosomes or sister chromatids to separate correctly and move to the opposite poles of the cells. This produces daughter cells with abnormal chromosome numbers. Nondisjunction is common during anaphase I or anaphase II of meiosis. Mutations in synaptonemal complex proteins that attach homologous chromosomes increase the chances of nondisjunction in anaphase I of meiosis I. In contrast, mutations in topoisomerases and condensins that hold...
4.5K
Teratogenicity
4.2K
The ability of a drug to produce structural deformations and functional abnormalities in the developing embryo or the fetus is called teratogenicity, and the drug producing this effect is known as a teratogen. Teratogenic effects include stillbirth, miscarriage, intrauterine growth restriction, and neurocognitive delay. A teratogen may affect the embryo at different stages of development, which is important in determining the type and extent of the damage. During blastocyst formation, the early...
4.2K
Life Tables
674
A life table is a statistical tool that summarizes the mortality and survival patterns of a population, providing detailed insights into the likelihood of survival or death across different age intervals within a cohort. By organizing data on survival probabilities and mortality rates, life tables offer a clear snapshot of population dynamics over time. They are extensively used in demography, public health, actuarial science, and ecology to analyze life expectancy, design health interventions,...
674
Actuarial Approach
384
The actuarial approach, a statistical method originally developed for life insurance risk assessment, is widely used to calculate survival rates in clinical and population studies. This method accounts for participants lost to follow-up or those who die from causes unrelated to the study, ensuring a more accurate representation of survival probabilities.
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
Consider the example of a high-risk surgical procedure with significant early-stage mortality. A two-year clinical study is conducted,...
384
Applications of Life Tables
429
Life tables are versatile across various fields, providing a quantitative basis for analyzing mortality and survival rates. Whether used by demographers, actuaries, epidemiologists, or sociologists, life tables offer valuable insights into the dynamics of life and death, facilitating informed decisions in public health, insurance, conservation, and beyond. Their broad applicability highlights the interconnectedness of demographic data with practical outcomes in everyday life and strategic...
429

