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Vitamin B(12) and folate concentrations during pregnancy and insulin resistance in the offspring: the Pune Maternal Nutrition Study

Yajnik, C.S., Deshpande, S.S., Jackson, A.A., Refsum, H., Rao, S., Fisher, D.J., Bhat, D.S., Naik, S.S., Coyaji, K.J., Joglekar, C.V., Joshi, N., Lubree, H.G., Deshpande, V.U., Rege, S.S. and Fall, C.H. (2008) Vitamin B(12) and folate concentrations during pregnancy and insulin resistance in the offspring: the Pune Maternal Nutrition Study Diabetologia, 51, (1), pp. 29-38. (doi:10.1007/s00125-007-0793-y).

Record type: Article


Aims/hypotheses: raised maternal plasma total homocysteine (tHcy) concentrations predict small size at birth, which is a risk factor for type 2 diabetes mellitus. We studied the association between maternal vitamin B(12), folate and tHcy status during pregnancy, and offspring adiposity and insulin resistance at 6 years.

Methods: in the Pune Maternal Nutrition Study we studied 700 consecutive eligible pregnant women in six villages. We measured maternal nutritional intake and circulating concentrations of folate, vitamin B(12), tHcy and methylmalonic acid (MMA) at 18 and 28 weeks of gestation. These were correlated with offspring anthropometry, body composition (dual-energy X-ray absorptiometry scan) and insulin resistance (homeostatic model assessment of insulin resistance [HOMA-R]) at 6 years.

Results: two-thirds of mothers had low vitamin B(12) (10 mumol/l); only one had a low erythrocyte folate concentration. Although short and thin (BMI), the 6-year-old children were relatively adipose compared with the UK standards (skinfold thicknesses). Higher maternal erythrocyte folate concentrations at 28 weeks predicted higher offspring adiposity and higher HOMA-R (both p < 0.01). Low maternal vitamin B(12) (18 weeks; p = 0.03) predicted higher HOMA-R in the children. The offspring of mothers with a combination of high folate and low vitamin B(12) concentrations were the most insulin resistant.

Conclusions/interpretations: low maternal vitamin B(12) and high folate status may contribute to the epidemic of adiposity and type 2 diabetes in India.

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Published date: 2008
Keywords: diabetes mellitus, women, diabetes, maternal nutrition, nutrition, insulin, body-composition, India, research, birth, pregnancy, skinfold thickness, mothers, body composition, plasma, size, insulin resistance, maternal, risk, anthropometry, resistance, homocysteine, standards, methods, acid, insulin-resistance


Local EPrints ID: 61622
ISSN: 0012-186X
PURE UUID: c7a2501d-3f3c-4fb3-aa4b-016b76ec5d05

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Date deposited: 11 Sep 2008
Last modified: 17 Jul 2017 14:21

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Author: C.S. Yajnik
Author: S.S. Deshpande
Author: A.A. Jackson
Author: H. Refsum
Author: S. Rao
Author: D.J. Fisher
Author: D.S. Bhat
Author: S.S. Naik
Author: K.J. Coyaji
Author: C.V. Joglekar
Author: N. Joshi
Author: H.G. Lubree
Author: V.U. Deshpande
Author: S.S. Rege
Author: C.H. Fall

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