Journal of the Academy of Nutrition and Dietetics · 2019
Prepregnancy Dietary Patterns and Their Association with Perinatal Outcomes: A Prospective Cohort Study.
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Alves-Santos Nadya Helena, Cocate Paula Guedes, Benaim Camila, Farias Dayana Rodrigues, Emmett Pauline M, Kac Gilberto
Аннотация
BACKGROUND: Dietary intake may be associated with neonatal outcomes, yet little is known about the influence of prepregnancy dietary pattern (DP).
OBJECTIVES: To evaluate the association between prepregnancy DPs and perinatal outcomes.
DESIGN: Prospective cohort study during pregnancy (baseline between 5 and 13 gestational week and three follow-up visits: 20 to 26 gestational weeks, 30 to 36 gestational weeks, and 30 to 40 days postpartum, respectively). Diet was assessed in the first trimester using a food frequency questionnaire and having prepregnancy as the time frame.
PARTICIPANTS/SETTING: Two hundred fifty-three pregnant women met the following eligibility criteria (20 to 40 years of age, 5 to 13 weeks of gestation at baseline, free of chronic [except obesity] or infectious diseases, and with a singleton pregnancy). The final sample was composed of 193 pregnant women attending a public health care center in Rio de Janeiro, Brazil, from 2009 to 2012.
MAIN OUTCOME MEASURES: Type of delivery, large for gestational age (LGA), birth length (BL)>90th percentile, Apgar score<7 at 1 minute, and preterm birth.
STATISTICAL ANALYSES: Reduced rank regression was used to identify prepregnancy DPs that explain the following response variables: fiber density (daily dietary fiber intake in grams, divided by total daily energy intake in kilocalories), dietary energy density, and percent energy from saturated fat. Statistical analyses included multiple logistic regression models. The following covariates were defined as confounders based on a unique Direct Acyclic Graph for each outcome: maternal age, current smoker, alcohol consumption, years of education, and first-trimester leisure physical activity.
RESULTS: The prevalence of normal delivery was 56.7%. LGA occurred in 16%, BL>90th percentile in 24.3%, Apgar score<7 at 1 minute in 14.2%, and preterm birth in 9.5% of the study population. Three DPs were identified: "fast food and candies" was associated with higher odds of LGA (odds ratio [OR]=4.38, 95% CI: 1.32 to 14.48) and BL>90th percentile (OR=4.81, 95% CI: 1.77 to 13.07); "beans, bread, and fat" was inversely associated with Apgar score<7 at 1 minute (OR=0.14, 95% CI: 0.03 to 0.70); and "vegetables and dairy" was inversely associated with preterm birth (OR=0.24, 95% CI: 0.06 to 0.97). There was no association between adherence to DPs and type of delivery.
CONCLUSIONS: Higher adherence to fast food and candies prepregnancy DP increased the odds of LGA birth, while a higher adherence to vegetables and dairy DP decreased the odds of preterm birth.
OBJECTIVES: To evaluate the association between prepregnancy DPs and perinatal outcomes.
DESIGN: Prospective cohort study during pregnancy (baseline between 5 and 13 gestational week and three follow-up visits: 20 to 26 gestational weeks, 30 to 36 gestational weeks, and 30 to 40 days postpartum, respectively). Diet was assessed in the first trimester using a food frequency questionnaire and having prepregnancy as the time frame.
PARTICIPANTS/SETTING: Two hundred fifty-three pregnant women met the following eligibility criteria (20 to 40 years of age, 5 to 13 weeks of gestation at baseline, free of chronic [except obesity] or infectious diseases, and with a singleton pregnancy). The final sample was composed of 193 pregnant women attending a public health care center in Rio de Janeiro, Brazil, from 2009 to 2012.
MAIN OUTCOME MEASURES: Type of delivery, large for gestational age (LGA), birth length (BL)>90th percentile, Apgar score<7 at 1 minute, and preterm birth.
STATISTICAL ANALYSES: Reduced rank regression was used to identify prepregnancy DPs that explain the following response variables: fiber density (daily dietary fiber intake in grams, divided by total daily energy intake in kilocalories), dietary energy density, and percent energy from saturated fat. Statistical analyses included multiple logistic regression models. The following covariates were defined as confounders based on a unique Direct Acyclic Graph for each outcome: maternal age, current smoker, alcohol consumption, years of education, and first-trimester leisure physical activity.
RESULTS: The prevalence of normal delivery was 56.7%. LGA occurred in 16%, BL>90th percentile in 24.3%, Apgar score<7 at 1 minute in 14.2%, and preterm birth in 9.5% of the study population. Three DPs were identified: "fast food and candies" was associated with higher odds of LGA (odds ratio [OR]=4.38, 95% CI: 1.32 to 14.48) and BL>90th percentile (OR=4.81, 95% CI: 1.77 to 13.07); "beans, bread, and fat" was inversely associated with Apgar score<7 at 1 minute (OR=0.14, 95% CI: 0.03 to 0.70); and "vegetables and dairy" was inversely associated with preterm birth (OR=0.24, 95% CI: 0.06 to 0.97). There was no association between adherence to DPs and type of delivery.
CONCLUSIONS: Higher adherence to fast food and candies prepregnancy DP increased the odds of LGA birth, while a higher adherence to vegetables and dairy DP decreased the odds of preterm birth.