The worldwide incidence of preterm birth: a systematic review of maternal mortality and morbidity
Stacy Beck,Daniel Wojdyla,Lale Say,Ana Pilar Betrán,Mario Merialdi,Jennifer Harris Requejo,Craig E Rubens,Ramkumar Menon,Paul F.A. Van Look +8 more
TLDR
Developing countries, especially those in Africa and southern Asia, incur the highest burden in terms of absolute numbers, although a high rate is also observed in North America.Abstract:
Resumen Incidencia mundial de parto prematuro: revision sistematica de la morbilidad y mortalidad maternas Objetivo Analizar las tasas de prematuridad a nivel mundial para evaluar la incidencia de este problema de salud publica, determinar la distribucion regional de los partos prematuros y profundizar en el conocimiento de las actuales estrategias de evaluacion.Metodos Los datos utilizados sobre las tasas de prematuridad a nivel mundial se extrajeron a lo largo de una revision sistematica anterior de datos publicados e ineditos sobre la mortalidad y morbilidad maternas notificados entre 1997 y 2002. Esos datos se complementaron mediante una busqueda que abarco el periodo 2003–2007. Las tasas de prematuridad de los paises sin datos se estimaron mediante modelos de regresion multiple especificos para cada region.Resultados Estimamos que en 2005 se registraron 12,9 millones de partos prematuros, lo que representa el 9,6% de todos los nacimientos a nivel mundial. Aproximadamente 11 millones (85%) de ellos se concentraron en Africa y Asia, mientras que en Europa y America del Norte (excluido Mexico) se registraron 0,5 millones en cada caso, y en America Latina y el Caribe, 0,9 millones. Las tasas mas elevadas de prematuridad se dieron en Africa y America del Norte (11,9% y 10,6% de todos los nacimientos, respectivamente), y las mas bajas en Europa (6,2%).Conclusion El parto prematuro es un problema de salud perinatal importante en todo el mundo. Los paises en desarrollo, especialmente de Africa y Asia meridional, son los que sufren la carga mas alta en terminos absolutos, pero en America del Norte tambien se observa una tasa elevada. Es necesario comprender mejor las causas de la prematuridad y obtener estimaciones mas precisas de la incidencia de ese problema en cada pais si se desea mejorar el acceso a una atencion obstetrica y neonatal eficaz.read more
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Estimation of Gestational Age, Using Neonatal Anthropometry: A Cross-sectional Study in India
TL;DR: This study evaluated 1,000 newborns in a cross-sectional study to determine if neonatal anthropometric parameters, viz. birthweight, crown heel-length, head-circumference, mid-upper arm-circuference, lower segment- length, foot-length and umbilical nipple distance can reliably predict the gestational age of the neonate.
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A Standardized Template for Clinical Studies in Preterm Birth
Leslie Myatt,David A. Eschenbach,Stephen J. Lye,Sam Mesiano,Amy P. Murtha,Scott M. Williams,Craig E. Pennell +6 more
TL;DR: Adoption of a harmonized template will allow generation of protocols and studies with a basic degree of compatibility and will allow data to be compared, and samples and data sets to be combined for meaningful meta-analyses.
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Cerclage Use: A Review of 3 National Guidelines.
TL;DR: A cohesive international guideline may improve safety and quality and optimize patient outcomes and outline variations in indications and contraindications for cervical cerclage use by international guideline.
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Gestational age at birth and academic performance: population-based cohort study.
Kathryn M. Abel,Hein Heuvelman,Susanne Wicks,Dheeraj Rai,Richard Emsley,Renee M. Gardner,Christina Dalman,Christina Dalman +7 more
TL;DR: Associations among matched siblings, although attenuated, remained consistent with causal effects of pre- and post-term birth on school performance, and there may be independent effects of fetal maturation and fetal growth onSchool performance.
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Early microbial colonization affects DNA methylation of genes related to intestinal immunity and metabolism in preterm pigs.
Xiaoyu Pan,Desheng Gong,Duc Ninh Nguyen,Xinxin Zhang,Qi Hu,Hanlin Lu,Merete Fredholm,Per T. Sangild,Fei Gao +8 more
TL;DR: It is found that the newborn immature intestine is influenced by bacterial colonization via DNA methylation changes, which may be critical for short- and long-term intestinal health in preterm neonates.
References
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Book
Applied Regression Analysis
Norman R. Draper,Harry Smith +1 more
TL;DR: In this article, the Straight Line Case is used to fit a straight line by least squares, and the Durbin-Watson Test is used for checking the straight line fit.
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Epidemiology and causes of preterm birth
TL;DR: A short cervical length and a raised cervical-vaginal fetal fibronectin concentration are the strongest predictors of spontaneous preterm birth.
Journal ArticleDOI
The preterm parturition syndrome
Roberto Romero,Jimmy Espinoza,Juan Pedro Kusanovic,Francesca Gotsch,Sonia S. Hassan,Offer Erez,Tinnakorn Chaiworapongsa,Moshe Mazor +7 more
TL;DR: The evidence indicating that the pathological processes implicated in the preterm parturition syndrome include: intrauterine infection/inflammation; uterine ischaemia; (3) uterine overdistension; (4) abnormal allograft reaction; (5) allergy; (6) cervical insufficiency; and (7) hormonal disorders (progesterone related and corticotrophin‐releasing factor related).
Journal ArticleDOI
Epidemiology of preterm birth
Janet Tucker,William McGuire +1 more
TL;DR: Over the past 20-30 years advances in perinatal care have improved outcomes for infants born after short gestations, but there is still uncertainty and incomplete recording of estimates of gestation in developed countries.