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Caesarean section prevents infants from getting good bacteria for their immune system from their mother, according to a study



Scientists at the Center for Systemic Biomedicine in Luxembourg have shown that during the natural vaginal delivery of specific bacteria in the mother's gut it is transferred to the child and stimulate the immune response. However, this phenomenon does not occur in children born with Caesarean section.

"This may explain why children born by Caesarean section, suffer from chronic diseases related to the immune system, compared with babies born vaginally," explains Paul Wilmes, Head of the study in the journal Nature Communications "

People are born without a call. However, birth is usually a time when vital bacteria begin to colonize the body, including the gut, skin and lungs. Researchers have long expected this early colonization to set the line for later health. However, as this study concluded, it may be that the Caesarean section prevents some bacteria that normally affect the immune system of the child from transmitting from the mother to the newborn.

Wilmes, together with colleagues from Sweden and other researchers from Luxembourg, found the first evidence of this fact in a study of newborns, half of whom had a cesarean section. "We found specific bacterial substances that stimulate the immune system in babies born vaginal". In contrast, immunological stimulation in children delivered by Caesarean section is much lower, because the bacterial triggers are present at much lower levels, or other bacterial substances hinder the initial immunity ", explains the researcher.

This link between the colonizing immune system of bacteria and other factors can explain why children with cesarean cuts are statistically more prone to the development of allergies, chronic inflammatory diseases and metabolic diseases. "It may be that the immune system of these children changes from the beginning," suggests Paul Wilmes.

Now researchers want to further explore this link and find ways to replace the missing maternal bacterial strains in infants born by Caesarean section, for example by administering probiotics. "It is clear that, in the process of birth, we should not interfere greatly, children should only be provided with caesarean surgery when needed." We must be aware that in this case, we obviously intensely interfere with the natural interactions between humans and bacteria, "he concludes.

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