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Maternal Microbiota, Cortisol Concentration, and Post-Partum Weight Recovery Are Dependent on Mode of Delivery

AuthorsSelma-Royo, Marta; García Mantrana, Izaskun ; Calatayud, Marta; Parra Llorca, Anna; Martínez-Costa, Cecilia; Collado, María Carmen
Delivery mode
Post-partum weight retention
Issue Date15-Jun-2020
PublisherMultidisciplinary Digital Publishing Institute
CitationNutrients 12(6): 1779 (2020)
AbstractThe importance of the maternal microbiota in terms of the initial bacterial seeding has previously been highlighted; however, little is currently known about the perinatal factors that could affect it. The aim of this study was to evaluate the effects of various delivery-related factors on the intestinal microbiome at delivery time and on post-partum weight retention. Data were collected from mothers (n = 167) during the first four months post-partum. A subset of 100 mothers were selected for the determination of the salivary cortisol concentration and microbiome composition at birth by 16S rRNA gene sequencing. The maternal microbiota was classified into two distinct clusters with significant differences in microbial composition and diversity. Maternal microbiota was also significantly influenced by the mode of delivery. Moreover, the salivary cortisol concentration was associated with some maternal microbiota genera and it was significantly higher in the vaginal delivery group (p = 0.003). The vaginal delivery group exhibited lower post-partum weight retention than the C-section (CS) mothers at four months post-partum (p < 0.001). These results support the hypothesis that the mode of delivery as well as the codominant hormonal changes could influence the maternal microbiota and possibly impact maternal weight recovery during the post-partum period.
Description© 2020 by the authors.
Publisher version (URL)https://doi.org/10.3390/nu12061779
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