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. 2018 May 23;13(5):e0195731.
doi: 10.1371/journal.pone.0195731. eCollection 2018.

The impact of young maternal age at birth on neonatal mortality: Evidence from 45 low and middle income countries

Sarah Neal  1 , Andrew Amos Channon  1 , Jesman Chintsanya  2
Affiliations

The impact of young maternal age at birth on neonatal mortality: Evidence from 45 low and middle income countries

Sarah Neal et al. PLoS One. .

Abstract

Objectives: This study explores the impact of early motherhood on neonatal mortality, and how this differs between countries and regions. It assesses whether the risk of neonatal mortality is greater for younger adolescent mothers compared with mothers in later adolescence, and explores if differences reflect confounding socio-economic and health care utilisation factors. It also examines how the risks differ for first or subsequent pregnancies.

Methods: The analysis uses 64 Demographic and Health Surveys collected between 2005 and 2015 from 45 countries to explore the relationship between adolescent motherhood (disaggregated as <16 years, 16/17 years and 18/19 years) and neonatal mortality. Both unadjusted bivariate association and logistic regression are used. Regional level multivariate models that adjust for a range of socio-economic, demographic and health service utilisation variables are estimated. Further stratified models are created to examine the excess risk for first and subsequent births separately.

Findings: The risk of neonatal mortality in all regions was markedly greater for infants with mothers under 16 years old, although there was marked heterogeneity in patterns between regions. Adjusting for socio-economic, demographic and health service utilisation variables did not markedly change the odds ratios associated with age. The increased risks associated with adolescent motherhood are lowest for first births.

Conclusion: Our findings particularly highlight the importance of reducing adolescent births among the youngest age group as a strategy for addressing the problem of neonatal mortality, as well ensuring pregnant adolescents have access to quality maternal health services to protect the health of both themselves and their infants. The regional differences in increased risk are a novel finding which requires more exploration.

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Conflict of interest statement

The authors have declared that no competing interests exist.

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