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Placental pathology in relation to stillbirth and neonatal outcome in an extremely preterm population: a prospective cohort study
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Neuroscience, Ophthalmology.
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2015 (English)In: Acta Obstetricia et Gynecologica Scandinavica, ISSN 0001-6349, E-ISSN 1600-0412, Vol. 94, no 6, p. 584-590Article in journal (Refereed) Published
Abstract [en]

Objective: To study associations between placental histopathology and stillbirth as well as neonatal outcome in a population born extremely preterm. Design: Prospective cohort study. Setting: Stockholm, Sweden. Population: 167 infants born <27 gestational weeks during 2004-2007. Methods: One senior perinatal pathologist, blinded to outcome data, evaluated all placental slides. Main outcome measures: Intrauterine fetal death, small-for-gestational age, major neonatal morbidity (intraventricular hemorrhage grade 3, retinopathy of prematurity grade 3, necrotizing enterocolitis, cystic periventricular leukomalacia or severe bronchopulmonary dysplasia) and neonatal mortality. Additional outcome variables were Apgar score at 5min, sepsis, and treated patent ductus arteriosus. Results: Accelerated villous maturation was associated with a decreased risk for Apgar score <7 at 5min (p=0.041). Fetal thrombosis and low placental weight were associated with an increased risk for both intrauterine fetal death (p<0.001 and p=0.011, respectively) and small-for-gestational age (p<0.001 and p<0.001, respectively). Conclusion: Placental histology may have prognostic value as it appears to be associated with intrauterine fetal death, as well as with being small-for-gestational age and assignment of a low Apgar score at birth.

Place, publisher, year, edition, pages
2015. Vol. 94, no 6, p. 584-590
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Obstetrics, Gynecology and Reproductive Medicine
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URN: urn:nbn:se:uu:diva-256113DOI: 10.1111/aogs.12610ISI: 000354398300006PubMedID: 25708414OAI: oai:DiVA.org:uu-256113DiVA, id: diva2:825460
Available from: 2015-06-23 Created: 2015-06-22 Last updated: 2017-12-04Bibliographically approved

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