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the claim

Maternal mortality risk follows a J-shaped curve with significantly higher risk for women over the age of 30.

the verdict
SUPPORTED
the evidence backs this
Recorded sources
2 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that maternal mortality risk follows a J-shaped curve with significantly higher risk for women over the age of 30?

Yes. Evidence supports the claim that maternal mortality and complication risks increase nonlinearly with age, showing elevated risk profiles for women over 30 and particularly at advanced maternal ages.

Verdict: SUPPORTED · 2 sources for, 0 against · Last checked

Evidence for · 2
Factors Associated With Maternal Mortality at Advanced Maternal Age: A Population-based Case-control Study
2018
The study notes that the maternal mortality ratio increases nonlinearly with advancing age, particularly rising after age 30.
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McCall, S., Nair, M., & Knight, M. (2018). Factors Associated With Maternal Mortality at Advanced Maternal Age: A Population-based Case-control Study. doi.org. https://doi.org/10.1097/01.aoa.0000529980.85506.01

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More for · 1
Global burden of maternal disorders, 1990-2021: insights from the Global Burden of Disease Study 2021 and challenges for achieving 2030 Sustainable Development Goals.
2026
Age-period-cohort models demonstrate that age effects on maternal disorders follow a nonlinear pattern, initially decreasing and subsequently increasing.
Get citation
J, Z., C, N., S, W., J, B., X, W., J, Z., X, X., W, L., W, C., Z, D., Y, W., H, L., & B, W. (2026). Global burden of maternal disorders, 1990-2021: insights from the Global Burden of Disease Study 2021 and challenges for achieving 2030 Sustainable Development Goals.. doi.org. https://doi.org/10.7189/jogh.16.04147

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