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United States
Newborn Infant
European Continental Ancestry Group
Young Adult
African Continental Ancestry Group
Pregnancy
Gestational Age
Infant Mortality
Pregnancy Outcomes
Low Birth Weight Infant
Maternal Age
Premature Infant
Risk Factors
Cohort Studies
Odds Ratio
Birth Intervals
Retrospective Studies
Disaster Planning
Premature Birth
Fetal Death
Co-Publications
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