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. 2021 Sep 15;19(3):14747049211039506. doi: 10.1177/14747049211039506

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© The Author(s) 2021

This article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 License (https://creativecommons.org/licenses/by-nc/4.0/) which permits non-commercial use, reproduction and distribution of the work without further permission provided the original work is attributed as specified on the SAGE and Open Access page (https://us.sagepub.com/en-us/nam/open-access-at-sage).

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Figure 3. — Odds of an optimal delivery (delivery without critical cesarian section) and optimal infant (normal birth weight, normal gestation, and survival to 1 year) and an optimal infant and delivery together (optimal pregnancy) in relationship to maternal age in 1.128 million primiparas with age 25 as the reference category, controlling for maternal tobacco use, education, marital status, prenatal care, race/ethnicity, and diabetes, with 95% confidence intervals; United States, 1990.