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Open AccessJournal ArticleDOI

The worldwide incidence of preterm birth: a systematic review of maternal mortality and morbidity

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.

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Journal ArticleDOI

National regional and worldwide estimates of preterm birth rates in the year 2010 with time trends since 1990 for selected countries: a systematic analysis and implications.

TL;DR: Worldwide, regional, and national estimates of preterm birth rates for 184 countries in 2010 with time trends for selected countries are reported, and a quantitative assessment of the uncertainty surrounding these estimates is provided.
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State of the Science of Endocrine Disrupting Chemicals - 2012

TL;DR: The designations employed and the presentation of the material in this publication do not imply the expression of any opinion whatsoever on the part of UNEP or WHO concerning the legal status of any country, territory, city or area or of its authorities, or concerning the delimitation of its frontiers or boundaries.
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References
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Journal ArticleDOI

Comparability of published perinatal mortality rates in Western Europe: The quantitative impact of differences in gestational age and birthweight criteria

TL;DR: To quantify the impact of publication criteria on differences in published national perinatal mortality rates among Western European countries, a comparison of the mortality rates in 11 countries over a 25-year period is suggested.
Journal ArticleDOI

WHO systematic review of maternal mortality and morbidity: methodological issues and challenges

TL;DR: There are unique challenges and issues regarding the search, critical appraisal and summarizing epidemiological data in this systematic review of prevalence/incidence studies.
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Effectiveness of different databases in identifying studies for systematic reviews: experience from the WHO systematic review of maternal morbidity and mortality

TL;DR: The need for extending the search to other sources beyond well-known electronic databases in systematic reviews of maternal mortality and morbidity prevalence/incidence and other topic specific sources such as hand searching of relevant journals not indexed in electronic databases is confirmed.
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Intensive Care for Extreme Prematurity—Moving Beyond Gestational Age

TL;DR: In this paper, a prospective study attempted to improve the decision-making process by assessing outcomes for 4446 infants born at 22-25 weeks' gestation, using standardized neurodevelopmental assessments made by specially trained examiners at a corrected age of 18-22 months.
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