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Pregnancy
Gestational Age
Birth Weight
Newborn Infant
European Continental Ancestry Group
African Americans
Risk Factors
Pregnancy Outcomes
Prospective Studies
Poverty
Second Pregnancy Trimester
Retrospective Studies
Premature Infant
Regression Analysis
Alabama
Fetal Growth Retardation
Premature Obstetric Labor
Premature Birth
Body Mass Index
Pregnancy Complications, Infectious
Co-Publications
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