Children who are delivered via Caesarean section show a reduced diversity of their gut microbiome. In animals, stress caused by the separation of rhesus monkeys from their mothers changed the microbiota and decreased their Bifidobacterium and Lactobacillus levels. Rats separated from their mothers showed decreased fecal Lactobacillus levels.
gut biome lack of diversification c-section. additionally, high levels of stress at a young age can negetivly affect microbiome.