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Prenatal Intervention with Partial Meal Replacement Improves Micronutrient Intake of Pregnant Women with Obesity

1
Department of Kinesiology & Public Health, California Polytechnic State University, 1 Grand Ave, San Luis Obispo, CA 93407, USA
2
Division of Epidemiology, University of California at Berkeley School of Public Health, 2121 Berkeley Way #5302, Berkeley, CA 94720-7360, USA
3
Warren Alpert Medical School at Brown University Department of Psychiatry and Human Behavior, 197 Richmond Street, Providence, RI 02906, USA
*
Author to whom correspondence should be addressed.
Nutrients 2019, 11(5), 1071; https://doi.org/10.3390/nu11051071
Received: 30 April 2019 / Revised: 9 May 2019 / Accepted: 10 May 2019 / Published: 14 May 2019
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Abstract

A behavioral lifestyle intervention with partial meal replacement reduced excess gestational weight gain in ethnically diverse women with overweight/obesity, but the effects on micronutrient intake remained unknown. A secondary analysis of a randomized, controlled trial tested whether the intervention improved micronutrient intake relative to usual care. Pregnant women (n = 211; 30.5 years of age, body mass index, BMI, of 32.0 kg/m2) were enrolled and randomized within site and ethnicity (40% were Hispanic) into intervention (n = 102) or usual care (n = 109) groups. Two 24 h dietary recalls were conducted on random days at study entry and late pregnancy (35–36 weeks gestation). Nutrient adequacy was defined using the Estimated Average Requirement cut-point method. At study entry and including prenatal vitamins, ≥90% of participants reported inadequate intake of vitamins D and E and iron; 40–50% reported inadequate intake of calcium, protein, vitamins A, C, B6, folate, magnesium, and zinc. From study entry to late pregnancy, the behavioral intervention with partial meal replacement increased the overall intake of vitamins A, E, and D and copper and reduced the odds of inadequate intake of calcium (odds ratio (OR) = 0.37 (0.18, 0.76)), vitamins A (OR = 0.39 (0.21, 0.72)) and E (OR = 0.17 (0.06, 0.48)), and magnesium (OR = 0.36 (0.20, 0.65)). A behavioral intervention with partial meal replacement during pregnancy improved the intake of several micronutrients in Hispanic and non-Hispanic women with overweight/obesity. View Full-Text
Keywords: prenatal intervention; meal replacements; randomized clinical trial; lifestyle intervention; obesity; RDA; micronutrients prenatal intervention; meal replacements; randomized clinical trial; lifestyle intervention; obesity; RDA; micronutrients
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Phelan, S.; Abrams, B.; Wing, R.R. Prenatal Intervention with Partial Meal Replacement Improves Micronutrient Intake of Pregnant Women with Obesity. Nutrients 2019, 11, 1071.

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