Changes in Infant and Neonatal Mortality and Associated Factors in Eight Cohorts from Three Brazilian Cities

Abstract Stillbirth (SBR), perinatal (PMR), neonatal (NMR) and infant mortality rates (IMR) are declining in Brazil and the factors associated with these falls are still being investigated. The objective of the present study was to assess changes in SBR, PMR, NMR and IMR over time and to determine t...

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Autores principales:	Carolina A. Carvalho, Antônio A. M. da Silva, César Victora, Marcelo Goldani, Heloísa Bettiol, Erika Barbara Abreu Fonseca Thomaz, Fernando Barros, Bernardo L. Horta, Ana Menezes, Viviane Cardoso, Ricardo Carvalho Cavalli, Iná Santos, Rosângela F. L. Batista, Vanda Maria Simões, Marco Barbieri, Aluisio Barros
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2020
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/c224367cd4594817912b21569fd52c56
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spelling	oai:doaj.org-article:c224367cd4594817912b21569fd52c562021-12-02T16:23:09ZChanges in Infant and Neonatal Mortality and Associated Factors in Eight Cohorts from Three Brazilian Cities10.1038/s41598-020-59910-72045-2322https://doaj.org/article/c224367cd4594817912b21569fd52c562020-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-020-59910-7https://doaj.org/toc/2045-2322Abstract Stillbirth (SBR), perinatal (PMR), neonatal (NMR) and infant mortality rates (IMR) are declining in Brazil and the factors associated with these falls are still being investigated. The objective of the present study was to assess changes in SBR, PMR, NMR and IMR over time and to determine the factors associated with changes in NMR and IMR in eight Brazilian cohorts. All cohorts are population-based (Ribeirão Preto in 1978/79, 1994 and 2010; Pelotas in 1982, 1993 and 2004; and São Luís in 1997/98 and 2010). Were included data on 41440 children. All indicators were decreased, except in the city of Pelotas, from 1993 to 2004, and except SBR in São Luís. Sociodemographic variables seem to be able to explain reductions of NMR and IMR in Ribeirão Preto, from 1978/79 to 1994, and in São Luís. In Ribeirão Preto, from 1994 to 2010 declines in NMR and IMR seem to be explained by reductions in intrauterine growth restriction (IUGR). Newborn’s gestational age had diminished in all cohorts, preventing even greater reductions of NMR and IMR. Improved sociodemographic variables and reduction of IUGR, seem to be able to explain part of the decrease observed. NMR and IMR could have been reduced even more, were it not for the worsening in gestational age distribution.Carolina A. CarvalhoAntônio A. M. da SilvaCésar VictoraMarcelo GoldaniHeloísa BettiolErika Barbara Abreu Fonseca ThomazFernando BarrosBernardo L. HortaAna MenezesViviane CardosoRicardo Carvalho CavalliIná SantosRosângela F. L. BatistaVanda Maria SimõesMarco BarbieriAluisio BarrosNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 10, Iss 1, Pp 1-8 (2020)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Carolina A. Carvalho Antônio A. M. da Silva César Victora Marcelo Goldani Heloísa Bettiol Erika Barbara Abreu Fonseca Thomaz Fernando Barros Bernardo L. Horta Ana Menezes Viviane Cardoso Ricardo Carvalho Cavalli Iná Santos Rosângela F. L. Batista Vanda Maria Simões Marco Barbieri Aluisio Barros Changes in Infant and Neonatal Mortality and Associated Factors in Eight Cohorts from Three Brazilian Cities
description	Abstract Stillbirth (SBR), perinatal (PMR), neonatal (NMR) and infant mortality rates (IMR) are declining in Brazil and the factors associated with these falls are still being investigated. The objective of the present study was to assess changes in SBR, PMR, NMR and IMR over time and to determine the factors associated with changes in NMR and IMR in eight Brazilian cohorts. All cohorts are population-based (Ribeirão Preto in 1978/79, 1994 and 2010; Pelotas in 1982, 1993 and 2004; and São Luís in 1997/98 and 2010). Were included data on 41440 children. All indicators were decreased, except in the city of Pelotas, from 1993 to 2004, and except SBR in São Luís. Sociodemographic variables seem to be able to explain reductions of NMR and IMR in Ribeirão Preto, from 1978/79 to 1994, and in São Luís. In Ribeirão Preto, from 1994 to 2010 declines in NMR and IMR seem to be explained by reductions in intrauterine growth restriction (IUGR). Newborn’s gestational age had diminished in all cohorts, preventing even greater reductions of NMR and IMR. Improved sociodemographic variables and reduction of IUGR, seem to be able to explain part of the decrease observed. NMR and IMR could have been reduced even more, were it not for the worsening in gestational age distribution.
format	article
author	Carolina A. Carvalho Antônio A. M. da Silva César Victora Marcelo Goldani Heloísa Bettiol Erika Barbara Abreu Fonseca Thomaz Fernando Barros Bernardo L. Horta Ana Menezes Viviane Cardoso Ricardo Carvalho Cavalli Iná Santos Rosângela F. L. Batista Vanda Maria Simões Marco Barbieri Aluisio Barros
author_facet	Carolina A. Carvalho Antônio A. M. da Silva César Victora Marcelo Goldani Heloísa Bettiol Erika Barbara Abreu Fonseca Thomaz Fernando Barros Bernardo L. Horta Ana Menezes Viviane Cardoso Ricardo Carvalho Cavalli Iná Santos Rosângela F. L. Batista Vanda Maria Simões Marco Barbieri Aluisio Barros
author_sort	Carolina A. Carvalho
title	Changes in Infant and Neonatal Mortality and Associated Factors in Eight Cohorts from Three Brazilian Cities
title_short	Changes in Infant and Neonatal Mortality and Associated Factors in Eight Cohorts from Three Brazilian Cities
title_full	Changes in Infant and Neonatal Mortality and Associated Factors in Eight Cohorts from Three Brazilian Cities
title_fullStr	Changes in Infant and Neonatal Mortality and Associated Factors in Eight Cohorts from Three Brazilian Cities
title_full_unstemmed	Changes in Infant and Neonatal Mortality and Associated Factors in Eight Cohorts from Three Brazilian Cities
title_sort	changes in infant and neonatal mortality and associated factors in eight cohorts from three brazilian cities
publisher	Nature Portfolio
publishDate	2020
url	https://doaj.org/article/c224367cd4594817912b21569fd52c56
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Changes in Infant and Neonatal Mortality and Associated Factors in Eight Cohorts from Three Brazilian Cities

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