The effect of prenatal dietary protein intake on birth weight

Sloan, Nancy L.; Lederman, Sally Ann; Leighton, Jessica; Himes, John H.; Rush, David

doi:10.1016/s0271-5317(00)00258-x

Cited by 52 publications

(44 citation statements)

References 12 publications

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“…Moore et al (2004) did not find an association between dietary protein in the third trimester of pregnancy and a lower ponderal index. Our findings of a negative association between protein intake, adjusted for TEI and birth weight is consistent with some (Campbell et al, 1996;Godfrey et al, 1996;Sloan et al, 2001) but not all (Mathews et al, 1999;Moore et al, 2004) past observational work. It is consistent with past evidence from randomized trials.…”

Section: Discussionsupporting

confidence: 91%

Higher maternal dietary protein intake in late pregnancy is associated with a lower infant ponderal index at birth

et al. 2006

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Aim: A high ponderal index at birth has been associated with later obesity and it has been suggested that intervention to prevent obesity and its sequela should consider the antenatal period. In this context, we investigated the association between maternal nutrition and birth anthropometry. Design: We analyzed data on 1040 mother-infant pairs collected during the Tasmanian Infant Health Survey (TIHS), Tasmania, 1988Tasmania, -1989. Maternal dietary intake during pregnancy was measured by food frequency questionnaire (FFQ) applied soon after birth. Outcomes of interest were birth weight, birth length, head circumference, ponderal index, head circumference -toponderal index ratio, placenta-to-birth weight ratio and head circumference-to-birth length index. Results: In multiple regression model, an increase of 10 g of absolute protein intake/day was associated with a reduction in birth weight of 17.8 g (95% CI: À32.7, À3.0; P ¼ 0.02). Protein intake was also associated negatively with ponderal index (b ¼ À0.01; 95% CI: À0.02, À0.00; P ¼ 0.01). A 1 % increase in carbohydrate intake resulted in a 1% decline in placental weight relative to birth weight. Higher protein intake in the third trimester was associated with a reduced ponderal index among large birth weight infants but not low birth weight infants. Conclusions: This raises the possibility that any effect of high protein in altering infant anthropometry at birth may involve changes in body composition and future work to examine how a high-protein diet influences body composition at birth is warranted.

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Section: Discussionsupporting

confidence: 91%

Higher maternal dietary protein intake in late pregnancy is associated with a lower infant ponderal index at birth

et al. 2006

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“…These varying results are not inconsistent considering the close correlation of these macronutrients and the quadratic relationship between carbohydrate, protein and fat intakes and birthweight found in our study. Sloan et al (2001) reported a quadratic relationship with protein alone. Their quadratic showed a weak effect of low protein whereas our data suggests a much stronger deleterious association of low protein intake with birthweight.…”

Section: Discussionmentioning

confidence: 99%

The association of maternal diet and dietary supplement intake in pregnant New Zealand women with infant birthweight

Watson

McDonald

2009

Eur J Clin Nutr

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Objective: To investigate the association of infant birthweight with maternal diet and supplement intake. Subjects/Methods: Prospective cohort study of 504 European and Polynesian urban and rural pregnant volunteers recruited from northern New Zealand clinics. Subjects were visited in months 4 (mth4) and 7 (mth7) of pregnancy when height, weight and skinfolds were measured, questionnaires to determine personal details administered, and diet assessed by a 24-hour recall and 3-day food record. Results: After adjusting for confounders nutrients accounted for up to 5.0% of the total variance in birthweight. Ethnicity was not a significant confounder. A quadratic relationship existed between birthweight and % total energy (%TE) from carbohydrate, fat and protein, most significantly with carbohydrate energy (P ¼ 0.002). Birthweight was greatest (B3600 g) when carbohydrate %TE was 48%, fat 35% and protein 17%. Birthweight was reduced with high b-carotene intakes (mth4, P ¼ 0.009) and with both high retinol and b-carotene intakes in mth4 and 7 (average). Birthweight was positively associated with increasing pantothenic acid/biotin ratios (P ¼ 0.011), magnesium (P ¼ 0.000) and vitamin D (P ¼ 0.015) intakes in mth4; with biotin (P ¼ 0.040) and B 12 intakes above the RDI (P ¼ 0.006) in mth7; and with pantothenic acid intake in mth4&7 (P ¼ 0.002). Dietary supplement usage was associated with increased birthweight, most significantly iron supplementation (P ¼ 0.006). Conclusion: Birthweight was associated with the %TE from carbohydrate, fat and protein, and with b-carotene, retinol, vitamins D and B 12 , pantothenic acid, biotin and magnesium intakes and iron supplementation. More research may be required on some dietary recommendations for pregnancy.

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“…Sloan et al 16 avaliaram a associação do consumo de proteína durante a gravidez com o peso ao nascer de recém-nascidos em mulheres adultas e adolescentes, e verificaram que aquelas que relataram consumo mais elevado de proteínas tiveram filhos com o peso ao nascer significativamente maior quando comparadas com as gestantes com consumo de proteína abaixo desse limite.…”

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Ingestão de energia e de nutrientes e baixo peso ao nascer: estudo de coorte com gestantes adolescentes

et al. 2013

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OBJETIVO: Avaliar a ingestão de energia, de macro e de micronutrientes por adolescentes no primeiro e no segundo trimestres de gestação e estimar sua associação com o peso do concepto ao nascer. MÉTODOS: Estudo longitudinal, incluindo 139 gestantes adolescentes atendidas em serviço de pré-natal de maternidade pública, acompanhadas desde o primeiro trimestre gestacional até o puerpério imediato. Aplicou-se um questionário de frequência de consumo alimentar no primeiro e no segundo trimestres de gestação. O peso e a idade gestacional ao nascer dos recém-nascidos foram coletados dos prontuários hospitalares. Foram estimados médias e intervalo de confiança de 95%. O método dos resíduos foi utilizado para ajustar o consumo de nutrientes pelo consumo energético total. Modelos de regressão linear múltipla foram desenvolvidos para identificar os fatores associados ao peso ao nascer. RESULTADOS: O consumo médio de proteínas (p=0,02), lipídeos (p=0,02), ácidos graxos saturados (p=0,02) e monoinsaturados (p=0,05), colesterol (p=0,01), cálcio (p<0,01), potássio (p=0,01) e fósforo (p<0,01) foi mais elevado entre gestantes que tiveram filhos com peso ao nascer acima de 2500g. Idade gestacional ao parto (β=105,8; p<0,01), número de consultas de pré-natal (β=34,1; p=0,04), consumo de ácidos graxos poli-insaturados (β=7,5; p=0,04) e de ômega-3 (β=74,3; p=0,05) e de colesterol (β=0,4; p=0,04) foram variáveis preditoras do peso ao nascer em modelos de regressão linear múltipla. CONCLUSÃO: O perfil lipídico da dieta da mãe foi o principal preditor do peso do concepto ao nascer, e os resultados sugerem que o acompanhamento nutricional deva ser incluído na rotina dos serviços de atenção pré-natal.

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The effect of prenatal dietary protein intake on birth weight

Cited by 52 publications

References 12 publications

Higher maternal dietary protein intake in late pregnancy is associated with a lower infant ponderal index at birth

Higher maternal dietary protein intake in late pregnancy is associated with a lower infant ponderal index at birth

The association of maternal diet and dietary supplement intake in pregnant New Zealand women with infant birthweight

Ingestão de energia e de nutrientes e baixo peso ao nascer: estudo de coorte com gestantes adolescentes

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