Chidachi chimagwiritsidwa ntchito kuzindikira bwino gulu B streptococcus nucleic acid DNA mu vitro rectal swabs, swabs za nyini kapena maliseche osakanikirana a amayi apakati omwe ali ndi chiopsezo chachikulu chapakati pa 35 ~ 37 milungu ya mimba, ndi masabata ena oyembekezera omwe ali ndi zizindikiro zachipatala monga monga kuphulika msanga kwa nembanemba, kuwopseza kubereka mwana asanakwane, ndi zina zotero.