Association between plant-based dietary patterns and gestational weight gain among pregnant women with gestational diabetes mellitus
SHI Meiqi1, YIN Yuhua2, WANG Xuhong1, FU Yuanqing3, MIAO Zelei3, HU Wensheng4
1. Hangzhou Obstetrics and Gynecology Hospital, Hangzhou, Zhejiang 310008, China; 2. Hangzhou First People's Hospital Affiliated to Westlake University, Hangzhou, Zhejiang 310022, China; 3. School of Medicine, Westlake University, Hangzhou, Zhejiang 310030, China; 4. Women's Hospital School of Medicine Zhejiang University, Hangzhou, Zhejiang 310006, China
Abstract：Objective To investigate the association between plant-based dietary patterns and gestational weight gain (GWG) among pregnant women with gestational diabetes mellitus (GDM), so as to provide the evidence for guiding the reasonable diet during pregnancy. Methods GDM pregnant women who participated in the WeBirth project in Hangzhou Obstetrics and Gynecology Hospital were selected. Maternal age and pre-pregnancy body mass index (BMI) were collected. The Chinese version of Pregnancy Physical Activity questionnaire was used to assess the daily activity equivalent. The food frequency questionnaire was used to collect the frequency and amount of food intake in the last month before enrollment. The overall plant-based diet index (PDI), healthy plant-based diet index (HPDI), and unhealthy plant-based diet index (UPDI) were constructed based on food intake and grouped by quartiles. Multiple linear regression models were used to analyze the association between plant-based dietary patterns and GWG. Results A total of 1 943 pregnant women with GDM, with a median age of 30.91 (interquartile range, 4.92) years. The median BMI of pre-pregnancy was 21.51 (interquartile range, 4.06) kg/m2. The medians of PDI, HPDI and UPDI were 32.42 (interquartile range, 4.60), 32.48 (interquartile range, 4.41) and 32.40 (interquartile range, 5.36), respectively. The median of GWG was 11.30 (interquartile range, 4.52) kg. Multiple linear regression analysis showed that PDI (Q3 group, β=0.674, 95%CI: 0.064-1.285; Q4 group, β=0.702, 95%CI: 0.098-1.306), UPDI (Q3 group, β=1.332, 95%CI: 0.771-1.894; Q4 group, β=1.115, 95%CI: 0.550-1.681) were positively associated with GWG after adjusting for age, pre-pregnancy BMI, daily activity equivalent and daily energy intake. No significant association was found between HPDI and GWG (all P>0.05). Conclusion UPDI was associated with a higher risk of GWG in pregnant women with GDM.
史美琦, 殷玉华, 汪旭虹, 付元庆, 苗泽蕾, 胡文胜. 妊娠糖尿病孕妇植物性饮食模式与孕期体重增加的关联研究[J]. 预防医学, 2025, 37(5): 503-506.
SHI Meiqi, YIN Yuhua, WANG Xuhong, FU Yuanqing, MIAO Zelei, HU Wensheng. Association between plant-based dietary patterns and gestational weight gain among pregnant women with gestational diabetes mellitus. Preventive Medicine, 2025, 37(5): 503-506.
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