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The Intestinal Microbiome, Dietary Habits, and Physical and Psychological Resilience in Postpartum Women

Matsunaga, M.; Takeuchi, M.; Watanabe, S.; Takeda, A. K.; Kikusui, T.; Mogi, K.; Nagasawa, M.; Hagihara, K.; Myowa, M.

2022-09-07 microbiology
10.1101/2022.09.07.506896 bioRxiv
Show abstract

The population of postpartum women suffering from mental illness is increasing steadily, particularly under conditions of the COVID-19 pandemic. Identifying factors that contribute to resilience in postpartum women is urgently needed to decrease risks of poor physical and psychological functioning. Studies have linked variations in the intestinal microbiota to depression in clinical samples, but the impacts in postpartum women in a Japanese population are unknown. We conducted two studies to examine the links between intestinal microbiota, physical condition, and psychological state in nonclinical, postpartum Japanese women. Our results show that decreasing Lachnospira and alpha diversity of microbiome is related to high mental health risk (i.e., parenting stress and/or depression). Psychological resilience and physical conditions were associated with relative abundances of genera Blautia, Clostridium, Eggerthella. This study contributes to further understanding of the gut-brain axis mechanisms and supports proposals for interventions to enhance resilience in postpartum women.

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