Babies acquire their gut flora as they pass down the birth canal and take a gene-filled gulp of their mother's vaginal and faecal flora.
Babies acquire their gut flora as they pass down the birth canal and take a gene-filled gulp of their mother's vaginal and faecal flora.
婴儿在经过产道并充分“摄取”富含细菌基因的母体阴道分泌物和粪便菌落之后，细菌便开始进入胃肠道。