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  • Title: Fat gain during pregnancy in rural African women: the effect of season and dietary status.
    Author: Lawrence M, Coward WA, Lawrence F, Cole TJ, Whitehead RG.
    Journal: Am J Clin Nutr; 1987 Jun; 45(6):1442-50. PubMed ID: 3591722.
    Abstract:
    Body-fat gain during pregnancy (weight--total body water/0.73) was measured in 50 rural Gambian women exposed to seasonal energy demands of subsistence farming and to annual preharvest food shortages. Twenty-eight women received dietary supplements in amounts previously shown to increase birth weight. In unsupplemented women, fat gain was profoundly affected by the seasons through which the pregnancy progressed, ranging from an estimated loss of 4.7 kg to a net gain of 3 kg at various times of the year. Adjustment for season revealed, however, that pregnancy per se was without effect on body fat content. Supplementation increased fat gain during pregnancy by approximately 2 kg (p less than 0.05) and gave protection against the worst effects of season on energy balance. These findings contribute to our understanding of the consequences of low food intake during pregnancy and the effects of dietary supplementation on birth weight. Body fat gain during pregnancy (weight-total body water/0.73) was measured in 50 rural Gambian women exposed to seasonal energy demands of subsistence farming and to annual preharvest food shortages. 28 women received dietary supplements in amounts previously shown to increase birth weight. In unsupplemented women, fat gain was profoundly affected by the seasons through which the pregnancy progressed, ranging from an estimated loss of 4.7 kg to a net gain of 3 kg at various times of the year. Adjustment for season revealed, however, that pregnancy per se was without effect on body fat content. Supplementation increased fat gain during pregnancy by about 2 kg (p0.05) and gave protection against the worst effects of season on energy balance. These findings contribute to our understanding of 1) the consequences of low food intake during pregnancy and 2) the effects of dietary supplementation on birth weight.
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