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Time trends and sociodemographic determinants of preterm births in pregnancy cohorts in Matlab, Bangladesh, 1990-2014 [Elektronisk resurs]

Rahman, Anisur (författare)
Rahman, Monjur (författare)
Pervin, Jesmin (författare)
Razzaque, Abdur (författare)
Aktar, Shaki (författare)
Ahmed, Jamal Uddin (författare)
Ekholm Selling, Katarina, 1976- (författare)
Svefors, Pernilla, 1985- (författare)
El Arifeen, Shams (författare)
Persson, Lars Ake (författare)
Uppsala universitet Medicinska och farmaceutiska vetenskapsområdet (utgivare)
Publicerad: 2019
Engelska.
Ingår i: ; 4:4
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  • Introduction Preterm birth is the major cause of under-five mortality. Population-based data on determinants and proportions of children born preterm are limited, especially from low-income countries. This study aimed at assessing time trends and social, reproductive and environmental determinants of preterm births based on a population-based pregnancy cohort over 25 years in rural Bangladesh. Methods In this cohort study in Matlab, a rural area in Bangladesh, we used data from the Health and Demographic Surveillance System from 1990 to 2014. Gestational age at birth was based on the reported last menstrual period and verified by ultrasound assessments. Preterm birth proportions were assessed within strata of social and reproductive characteristics, and time series analysis was performed with decomposition for trend and seasonality. We also determined the prevented fractions of preterm birth reduction associated with social and demographic changes during the follow-up period. Results Analyses were based on 63 063 live births. Preterm birth decreased from 29% (95% CI 28.6 to 30.1) in 1990-1994 to 11% (95% CI 10.5 to 11.6) in 2010-2014. Low education, older age and multi-parity were associated with higher proportions of preterm births across the study period. Preterm births had a marked seasonal variation. A rapid increase in women's educational level and decrease in parity were associated with the decline in preterm births, and 27% of the reduction observed from 1990 to 2014 could be attributed to these educational and reproductive changes. Conclusion The reduction in preterm birth was to a large extent associated with the sociodemographic transition, especially changes in maternal education and parity. The persistent seasonal variation in the proportion of preterm birth may reflect the environmental stressors for pregnant women across the study period. Continued investments in girls' education and family planning programmes may contribute to further reduction of preterm births in Bangladesh. 

Ämnesord

Medical and Health Sciences  (hsv)
Health Sciences  (hsv)
Public Health, Global Health, Social Medicine and Epidemiology  (hsv)
Medicin och hälsovetenskap  (hsv)
Hälsovetenskaper  (hsv)
Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi  (hsv)

Genre

government publication  (marcgt)

Indexterm och SAB-rubrik

preterm birth
time trend
education
parity
prevented fraction
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