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1.
Eur J Nutr ; 60(3): 1301-1311, 2021 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-32666314

RESUMO

PURPOSE: Maternal hyperglycemia is associated with adverse birth outcomes. Maternal dietary glycemic index and load influence postprandial glucose concentrations. We examined the associations of maternal early pregnancy dietary glycemic index and load with fetal growth and risks of adverse birth outcomes. METHODS: In a population-based cohort study of 3471 pregnant Dutch women, we assessed dietary glycemic index and load using a food frequency questionnaire at median 13.4 (95% range 10.6; 21.2) weeks gestation. We measured fetal growth in mid- and late-pregnancy by ultrasound and obtained birth outcomes from medical records. RESULTS: Mean maternal early pregnancy dietary glycemic index and load were 57.7 (SD 3.3, 95% range 52.8; 63.5) and 155 (SD 47, 95% range 87; 243), respectively. Maternal early pregnancy dietary glycemic index was not associated with fetal growth parameters. A higher maternal early pregnancy dietary glycemic load was associated with a higher fetal abdominal circumference and estimated fetal weight in late-pregnancy (p values < 0.05), but not with mid-pregnancy or birth growth characteristics. A higher maternal early pregnancy dietary glycemic index was associated with a lower risk of a large-for-gestational-age infant (p value < 0.05). Maternal early pregnancy glycemic index and load were not associated with other adverse birth outcomes. CONCLUSION: Among pregnant women without an impaired glucose metabolism, a higher early pregnancy dietary glycemic load was associated with higher late-pregnancy fetal abdominal circumference and estimated fetal weight. No consistent associations of maternal dietary glycemic index and load with growth parameters in mid-pregnancy and at birth were present. A higher glycemic index was associated with a lower risk of a large-for-gestational-age infant.


Assuntos
Diabetes Gestacional , Índice Glicêmico , Peso ao Nascer , Estudos de Coortes , Diabetes Gestacional/epidemiologia , Dieta , Feminino , Desenvolvimento Fetal , Humanos , Recém-Nascido , Gravidez
2.
Public Health Nutr ; 21(11): 2046-2055, 2018 08.
Artigo em Inglês | MEDLINE | ID: mdl-29560851

RESUMO

OBJECTIVE: Inadequate maternal micronutrient status during pregnancy can lead to short- and long-term health risks for mother and offspring. The present study investigated the association between pre-pregnancy weight status and micronutrient status during pregnancy. DESIGN: Maternal blood samples were collected during early pregnancy (median 13, interquartile range 12-15 weeks) and were assayed for serum folate, ferritin, Fe and vitamin B12. Regression modelling was used to assess the association between pre-pregnancy underweight, normal weight, overweight and obesity, and micronutrient levels, as well as the odds for deficiencies. SETTING: The Amsterdam Born Children and their Development (ABCD) study, the Netherlands. SUBJECTS: Women with singleton pregnancies without diabetes (n 4243). RESULTS: After adjustment for covariates, overweight women and obese women had lower (ß; 95 % CI) folate (-1·2; -2·2, -0·2 and -2·3; -4·0, -0·7 nmol/l, respectively) and Fe (-1·7; -2·3, -1·1 and -3·6; -4·7, -2·6 µmol/l, respectively) levels than women with normal weight. Furthermore, overweight women had 6 % (95 % CI -9, -3 %) and obese women had 15 % (-19, -10 %), lower vitamin B12 levels, and obese women had 19 % (6, 32 %) higher ferritin levels, than normal-weight women. Obese women had higher odds (OR; 95 % CI) for folate deficiency (2·03; 1·35, 3·06), Fe deficiency (3·26; 2·09, 5·08) and vitamin B12 deficiency (2·05; 1·41, 2·99) than women with normal weight. Underweight was not associated with micronutrient status. CONCLUSIONS: During early pregnancy, women with pre-pregnancy overweight and obesity had lower serum folate, Fe and vitamin B12 status. This resulted in increased risk of serum folate, Fe and vitamin B12 deficiencies in women with obesity.


Assuntos
Peso Corporal , Deficiências Nutricionais/fisiopatologia , Fenômenos Fisiológicos da Nutrição Materna , Micronutrientes/sangue , Complicações na Gravidez/fisiopatologia , Adulto , Índice de Massa Corporal , Deficiências Nutricionais/sangue , Deficiências Nutricionais/etiologia , Feminino , Ferritinas/sangue , Ferritinas/deficiência , Ácido Fólico/sangue , Deficiência de Ácido Fólico/sangue , Deficiência de Ácido Fólico/etiologia , Humanos , Peso Corporal Ideal , Ferro/sangue , Deficiências de Ferro , Micronutrientes/deficiência , Estado Nutricional , Razão de Chances , Sobrepeso/sangue , Sobrepeso/etiologia , Gravidez , Complicações na Gravidez/sangue , Complicações na Gravidez/etiologia , Análise de Regressão , Magreza/sangue , Magreza/etiologia , Vitamina B 12/sangue , Deficiência de Vitamina B 12/sangue , Deficiência de Vitamina B 12/etiologia
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