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    To explore the relationship between dietary inflammatory index(DII), serum interleukin-6(IL-6) of late pregnant women and infant birth weight. This study was conducted in late pregnant women who received antenatal care at the Maternal and Children& apos; s Hospital of Baiyun and Yuexiu District in Guangzhou, China between September 2010 and February 2011. Tree consecutive 24-h diet recalls, pre-pregnancy body mass index, maternal education level and etc were collected. DII score was calculated based on data of dietary surveys. Participant were dived into anti-inflammatory group(T1), neutral group(T2) and pro-inflammatory group(T3) according to the tertiles of DII score. Maternal and infant anthropometric profile(n=456) and level of maternal serum IL-6(n=308) were measured. Structrural equation modeling(SEM) was used to explore the relationship between DII, IL-6 and birth weight. In 456 women, the mean DII score was 0. 02±1. 08. Women performed anti-inflammatory diet had higher intake of grain and potato, vegetables, energy, fiber, minerals, vitamins and unsaturated fatty acids, but lower intakes of fruits, diary, fat(% energy) and protein from animal food(P& lt; 0. 05). Average infant birth weight and level of maternal serum IL-6 were(3238. 1±376. 4)g and 4. 05(2. 02, 10. 14) pg/mL respectively. DII of pregnant women was positively correlated with maternal serum IL-6(r=0. 144, P& lt; 0. 05), and IL-6 was negatively correlated with birth weight(r=-0. 184, P& lt; 0. 05). SEM indicated that maternal serum IL-6 may be a mediator in the association between DII and birth weight. The diet of pregnant women may change the serum level of IL6, and then affect infant birth weight.


    Yuting Qin, Qinggui Lu, Jie Huang, Ying Chen, Limei Mao. Association between the dietary inflammatory index, interleukin-6 of late pregnant women and birth weight]. Wei sheng yan jiu = Journal of hygiene research. 2021 May;50(3):460-465

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    PMID: 34074369

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