Usetyenziso olucetywayo:Le khithi isetyenziselwa ukufumanisa ngokusemgangathweni iqela B streptococcus nucleic acid DNA in vitro rectal swabs, i-wabs ye-vaginal okanye i-rectal / i-vaginal swabs exutywe kwi-vaginal yabasetyhini abakhulelweyo abanomngcipheko ophezulu malunga ne-35 ~ 37 yeeveki zokukhulelwa, kunye nezinye iiveki zokukhulelwa ezineempawu zekliniki ezifana. njengokugqabhuka kwangaphambi kwexesha kweembrane, ukoyikiswa kwangaphambi kwexesha lomsebenzi, njl.