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Master of Public Health

Pregnancy outcomes among Asian Americans of advanced maternal age, 1992-2018

AUTHORS

Dongarwar D , Tahseen D , Aliyu MH , Salihu HM , . The journal of obstetrics and gynaecology research. 2021 4 6; ().

ABSTRACT

AIM: The trend of delayed childbearing has implications for the increasing national burden of adverse perinatal outcomes across vulnerable racial-ethnic groups. The objective of this study was to investigate age-adjusted risk for adverse maternal-fetal outcomes among Asian Americans of advanced maternal age (≥35 years).

METHODS: This was a retrospective cohort study using the 1992-2018 Natality data files. We calculated the prevalence of maternal-fetal outcomes: maternal diabetes, hypertensive disorders of pregnancy (HDP), C-section, small-for-gestational age (SGA), large-for-gestational age (LGA), and preterm birth. Adjusted binomial logistic regression was created to evaluate the association between maternal race/ethnicity and each of the maternal-fetal outcomes.

RESULTS: Compared with non-Hispanic Whites, Asian American women had reduced odds of diabetes, HDP, and LGA babies and increased odds of preterm birth, C-section delivery, and SGA, irrespective of the advanced maternal age group. The odds of developing specific adverse outcomes by advanced maternal age varied by Asian American ethnic subgrouping.

DISCUSSION: The risk of maternal-fetal outcomes varied among the ethnic subgroups of Asian Americans in the United States. Future studies should explore the sociocultural and environmental nuances that might explain these differences.

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