Minimal Dataset |
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• Spontaneous initiation vs. Medically indicated preterm birth |
• Living fetus vs. intrauterine death at labor initiation |
• Singleton vs. multi-fetal gestation |
• Gestational age at delivery |
• Environmental exposures (tobacco, ethanol, recreational drugs) |
• Maternal age |
• Parity |
• Past obstetrical history |
• Ethnicity |