Association between maternal comorbidity and preterm birth by severity and clinical subtype: retrospective cohort study
<p>Abstract</p> <p>Background</p> <p>Preterm birth (PTB) is a major cause of infant morbidity and mortality, but the relationship between comorbidity and PTB by clinical subtype and severity of gestational age remains poorly understood. We evaluated associations between...
Main Authors: | , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2011-10-01
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Series: | BMC Pregnancy and Childbirth |
Online Access: | http://www.biomedcentral.com/1471-2393/11/67 |