Journal
NUTRIENTS
Volume 14, Issue 4, Pages -Publisher
MDPI
DOI: 10.3390/nu14040895
Keywords
stillbirth; ready-made meals; processed foods; birth cohort; pregnancy outcome
Categories
Funding
- Ministry of the Environment, Government of Japan
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The consumption of processed food during pregnancy is associated with pregnancy outcomes, and frequent consumption of ready-meals and frozen meals may increase the risk of stillbirth.
Ready-meal consumption is increasing worldwide; however, its impact on human health remains unclear. We aimed to examine the association between processed food and beverage consumption during pregnancy and pregnancy outcomes. Pregnant women were recruited for the Japan Environment and Children's Study (JECS), a nationwide, large-scale, prospective cohort study. This study included 104,102 registered children (including fetuses or embryos) and collected questionnaire-based data during the first and second/third trimester of pregnancy. Participants' medical records were transcribed at pregnancy registration, immediately after delivery, and 1 month after delivery. Logistic regression analysis was used to estimate the association between processed food consumption and pregnancy outcomes. The incidence of stillbirth was higher in the group that consumed moderate (1-2 times per week) and high (>= 3-7 times per week) amounts of ready-meals (adjusted odds ratio (aOR) = 2.054, 95% confidence interval (CI): 1.442-2.926, q = 0.002; aOR = 2.632, 95% CI: 1.507-4.597, q = 0.007, respectively) or frozen meals (aOR = 2.225, 95% CI: 1.679-2.949, q < 0.001; aOR = 2.170, 95% CI: 1.418-3.322, q = 0.005, respectively) than in the group that rarely consumed such foods. Processed food consumption during pregnancy should be carefully considered.
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