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- Title
Maternal body mass index and risk of birth and maternal health outcomes in low- and middle-income countries: a systematic review and meta-analysis.
- Authors
Rahman, M. M.; Abe, S. K.; Kanda, M.; Narita, S.; Rahman, M. S.; Bilano, V.; Ota, E.; Gilmour, S.; Shibuya, K.
- Abstract
We conducted a systematic review and meta-analysis of population-based cohort studies of maternal body mass index ( BMI) and risk of adverse birth and health outcomes in low- and middle-income countries. Pub Med, Embase, CINAHL and the British Nursing Index were searched from inception to February 2014. Forty-two studies were included. Our study found that maternal underweight was significantly associated with higher risk of preterm birth (odds ratio [ OR], 1.13; 95% confidence interval [ CI], 1.01-1.27), low birthweight ( OR, 1.66; 95% CI, 1.50-1.84) and small for gestational age ( OR, 1.85; 95% CI, 1.69-2.02). Compared with mothers with normal BMI, overweight or obese mothers were at increased odds of gestational diabetes, pregnancy-induced hypertension, pre-eclampsia, caesarean delivery and post-partum haemorrhage. The population-attributable risk ( PAR) indicated that if women were entirely unexposed to overweight or obesity during the pre-pregnancy or early pregnancy period, 14% to 35% fewer women would develop gestational diabetes, pre-eclampsia or pregnancy-induced hypertension in Brazil, China, India, Iran or Thailand. The highest PAR of low birthweight attributable to maternal underweight was found in Iran (20%), followed by India (18%), Thailand (10%) and China (8%). Treatment and prevention of maternal underweight, overweight or obesity may help reduce the burden on maternal and child health in developing countries.
- Subjects
BODY mass index; COHORT analysis; META-analysis; LOW-income countries; MIDDLE-income countries
- Publication
Obesity Reviews, 2015, Vol 16, Issue 9, p758
- ISSN
1467-7881
- Publication type
Article
- DOI
10.1111/obr.12293