How many low birthweight babies in low- and middle-income countries are preterm?

Barros, Fernando C.; Barros, Aluísio J. D.; Villar, José; Matijasevich, Alícia; Domingues, Marlos Rodrigues; Victora, Cesar G

doi:10.1590/s0034-89102011005000019

Cited by 45 publications

(33 citation statements)

References 53 publications

(33 reference statements)

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“…In some settings, especially in South Asia, a high proportion of low birthweight babies are term babies who are small for gestational age. 46 Distinguishing between the two is important as a baby born preterm has a higher risk of death than a baby of the same birthweight born small for gestational age at term. Babies who are both preterm and small for gestational age are at even higher risk than babies with one of the conditions.…”

Section: Discussionmentioning

confidence: 99%

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

Blencowe¹,

Cousens²,

Oestergaard³

et al. 2012

The Lancet

3,711

2,794

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SummaryBackground Preterm birth is the second largest direct cause of child deaths in children younger than 5 years. Yet, data regarding preterm birth (<37 completed weeks of gestation) are not routinely collected by UN agencies, and no systematic country estimates nor time trend analyses have been done. We report worldwide, regional, and national estimates of preterm birth rates for 184 countries in 2010 with time trends for selected countries, and provide a quantitative assessment of the uncertainty surrounding these estimates.

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Section: Discussionmentioning

confidence: 99%

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

Blencowe¹,

Cousens²,

Oestergaard³

et al. 2012

The Lancet

3,711

2,794

View full text Add to dashboard Cite

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“…Several studies show that premature birth occurrence is more frequent among poor populations (Barros et al 2008(Barros et al , 2011Gray et al 2008). The complex variables network involved in the low birth weight occurrence has its genesis in precarious conditions of life and work in a considerable part of Brazilian population (Minagawa et al 2006).…”

Section: Discussionmentioning

confidence: 99%

Influence of environmental contamination on pregnancy outcomes

Guimarães

Cunha

Carvalho

et al. 2015

Environ Sci Pollut Res

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This study aims to compare pregnancy outcomes in four contaminated areas to those observed in a non-contaminated area of similar socioeconomic status. A cross-sectional study was carried out. A structured and pre-tested questionnaire was administered to population-based samples of 788-920 families in each of the five studied areas. The exposure assessment used was an ecological measure. Using logistic regression, odds of several pregnancies outcomes (pregnancy occurrence, miscarriage, stillbirth, prematurity, low birth weight, congenital malformation, and multiple births) were estimated after adjustment for potential confounders such as socioeconomic, demographic, and substance abuse factors. We adopted a statistical significance level of 5 %. In three of the four exposed areas, pregnancy occurrence was reduced in comparison to the control area (Area 2, odds ratio (OR) = 0.68, 95 % CI = 0.54-0.86; Area 3, OR = 0.76, 95 % CI = 0.60-0.97; Area 4, OR = 0.71, 95 % CI = 0.56-0.90). Also, a significantly increased odds of miscarriage for living in Area 3 (OR = 1.83, 95 % CI = 1.07-3.12) was found. The other pregnancy outcomes were not significantly elevated in the exposed areas. In conclusion, this study shows evidence of reduced pregnancy occurrence and increased miscarriage occurrence in some of the contaminated areas, compared to the control area.

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“…Nesse sentido, observa-se um aumento crescente na proporção de partos prematuros no Brasil, associado à maior ocorrência de baixo peso ao nascer. 22 Há necessidade de se detectar precocemente alterações neuro-motoras das crianças prematuras, principalmente os de baixo peso e intervir imediatamente.…”

Section: Considerações Finaisunclassified

Crianças prematuras: caracterização e intervenção fisioterapêutica

Castro¹,

Figueiredo²,

Cano³

2016

Cinergis

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Exceto onde especificado diferentemente, a matéria publicada neste periódico é licenciada sob forma de uma licença Creative Commons -Atribuição 4. RESUMOObjetivo: determinar as características clínicas dos recém-nascidos prematuros de um município do interior de Minas Gerais e a intervenção fisioterapêutica destes recém-nascidos que foram encaminhados para esse serviço, após a alta hospitalar. Método: foi realizado um estudo descritivo exploratório, a partir de dados secundários do SINASC (Sistema de Informações sobre Nascidos Vivos), Declaração de Óbitos da Vigilância Epidemiológica e prontuários das Unidades Básicas de Saúde. A análise estatística dos fatores associados ao óbito foi realizada, utilizando-se o teste do χ2 para comparação das variáveis qualitativas e o teste exato de Fisher. A medida de associação entre o óbito e as demais variáveis foi determinada, através da estimação do risco relativo. Resultados: os nascidos vivos corresponderam a um total de 1.203, sendo 1.144 (95,0%) a termo e 59 (5,0%) pré-termo, com o peso ≤ que 2500g e idade gestacional < que 37 semanas. Destes últimos, 51 nasceram em hospital público e oito em instituições privadas. A maior frequência de RNPT foi entre 32 a 36 semanas (60,8%). Ocorreram doze óbitos entre os prematuros, sendo que a classe de 28 a 31 semanas, que corresponde à prematuridade moderada, foi a que apresentou maior nú-mero de óbitos (47,4%). Com relação à mortalidade, houve diferença significante (p<0,01) entre os recém-nascidos que apresentaram um Apgar £ 7 no 1º minuto (RR=11,79) e no 5º minuto (RR=18,11). Considerações finais: apenas cinco recém-nascidos pré-termo foram encaminhados para intervenção fisioterapêutica e apresentavam tempo de gestação ≥28semanas de desenvolvimento, representando 12,8% da amostra. Um atendimento sistematizado poderia proporcionar a detecção precoce e intervenções eficazes, a partir de estímulos adequados e preservação do desenvolvimento neuromotor, especialmente para os recém-nascidos prematuros de prematuridade extrema, que não foram encaminhados para estimulação do desenvolvimento, dado que perpassa como intervenção promissora para melhoria da qualidade de vida desta população. (RR = 11.79) and in 5º minute (RR = 18.11). Closing remarks: only five preterm infants were referred to the physical therapy

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How many low birthweight babies in low- and middle-income countries are preterm?

Cited by 45 publications

References 53 publications

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

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

Influence of environmental contamination on pregnancy outcomes

Crianças prematuras: caracterização e intervenção fisioterapêutica

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