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Pregnancy
Gestational Age
Premature Obstetric Labor
Premature Rupture Fetal Membranes
Premature Birth
Pre-Eclampsia
Pregnancy Complications
Hypertension
Newborn Infant
Risk Factors
Prospective Studies
Pregnancy Outcomes
Premature Infant
Second Pregnancy Trimester
Predictive Value of Tests
Logistic Models
Low Birth Weight Infant
Cervix Uteri
Fetuses
Fibronectins
Co-Publications
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