Effect of nutrition education on weight gain and macronutrients intake during pregnancy: a randomizedclinical trial

Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:

JR_SKUMS-22-2_002

تاریخ نمایه سازی: 28 آذر 1400

Abstract:

Background and aims: The imbalance between energy intake and consumption has been recognized as an important factor contributingto the gestational weight gain (GWG). Additionally, the determination of the effect of macronutrient composition on GWG has beenrecommended by researchers. Therefore, we examined the effect of nutrition education on weight gain, energy, and energy-adjustedmacronutrients intake during three trimesters of pregnancy which have not been widely studied.Methods: This randomized single-blinded clinical trial was performed on ۱۹۲ primiparous pregnant women in Isfahan, Iran, from May۲۰۱۵ to September ۲۰۱۶. Data were collected using a questionnaire completed through interviews with pregnant women and prenatalcare-related records. We developed an individualized calorie-appropriate diet for each participant at enrollment and then three ۴۵-۶۰minute training sessions were held at ۶-۱۰, ۱۸, and ۲۶ weeks of pregnancy and the subjects’ weights were measured during these sessions.A consecutive ۳-day food intake record at ۶-۱۰, ۱۸ and ۳۴-۳۶ weeks was obtained from two groups to determine the macronutrients.Moreover, physical activity scores were estimated before and after the intervention.Results: The mean weights at ۱۸, ۲۶, and ۴۰ weeks of gestation were significantly lower in the intervention group ( P = ۰.۰۲۴, P = ۰.۰۴۰,and P = ۰.۰۱۵, respectively). The total energy, energy-adjusted carbohydrate and protein intake at ۶-۱۰, ۱۸, and ۳۴-۳۶ weeks of gestationwere not significantly different between the two groups (P > ۰.۰۵). However, the mean energy-adjusted fat intake decreased ( P = ۰.۰۴۳). Inaddition, the mean energy-adjusted dietary fiber intake was significantly higher in the intervention group ( P = ۰.۰۰۱).Conclusion: In the present individualized calorie-appropriate trial, the mean weights decreased during three trimesters in the interventiongroup. Additionally, calorie, energy-adjusted carbohydrate and protein intake did not change after intervention while energy-adjusted fatintake decreased.

Authors

Masoomeh Goodarzi Khoigani

PhD, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran

Azadeh Nadjarzadeh

Associate Professor, Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran

Farahnaz Mardanian

Associate Professor, Department of Obstetrics and Gynecology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran

Roya Riahi

MSc in Biostatistics, Child Department of Pediatrics, Child Growth and Development Research Center, Research Institute for Primordial Prevention of Non-communicable Disease, Isfahan University of Medical Sciences, Isfahan, Iran

Nahid Ardian

PhD, Social Determinants of Health Research Center, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran

Kobra Salehi

PhD Candidate of Reproductive Health, Student Research Committee, Faculty of Nursing and Midwifery, Isfahan University of Medical Sciences, Isfahan, Iran