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- Title
Low maternal vitamin B<sub>12</sub> status is associated with intrauterine growth retardation in urban South Indians.
- Authors
Muthayya, S.; Kurpad, A. V.; Duggan, C. P.; Bosch, R. J.; Dwarkanath, P.; Mhaskar, A.; Mhaskar, R.; Thomas, A.; Vaz, M.; Bhat, S.; Fawzi, W. W.
- Abstract
Objective:To assess the maternal sociodemographic, anthropometric, dietary and micronutrient status in apparently healthy pregnant women in order to determine their associations with intrauterine growth retardation (IUGR).Design:Prospective observational study.Setting:Bangalore City, India.Subjects:A total of 478 women were recruited at 12.9±3.3 weeks of gestation and followed up at the first, second and third trimesters of pregnancy and at delivery. The dropout rate was 8.5%.Interventions:None.Main outcome measures:Birth weight was measured at hospital delivery.Results:The mean birth weight was 2.85±0.45 kg. In all, 28.6% of newborns were IUGR. There was a strong inverse relationship between maternal educational level and risk of IUGR. A low body weight at baseline was also associated with a high risk of IUGR. Compared with women in the highest quartile for second trimester weight gain, those in the lowest quartile had a significantly higher adjusted odds ratio (AOR: 3.98; 95% CI: 1.83, 8.65) for IUGR. Women in the lowest tertile for serum vitamin B12 concentration during each of the three trimesters of pregnancy had significantly higher risk of IUGR (AOR: 5.98, 9.28 and 2.81 for trimesters 1–3, respectively).Conclusions:The present study demonstrates associations between educational status, maternal weight and gestational weight gain with IUGR. Importantly, in a subsample, there were strong associations of vitamin B12 status with IUGR, suggesting that better socioeconomic conditions, improved nutritional status and early detection of vitamin B12 deficiency in pregnancy combined with appropriate interventions are likely to play an important role in reducing IUGR.Sponsorship:This research was partly supported by the GlaxoSmithKline Consumer Healthcare Ltd, India.European Journal of Clinical Nutrition (2006) 60, 791–801. doi:10.1038/sj.ejcn.1602383; published online 11 January 2006
- Publication
European Journal of Clinical Nutrition, 2006, Vol 60, Issue 6, p791
- ISSN
0954-3007
- Publication type
Academic Journal
- DOI
10.1038/sj.ejcn.1602383