Le khithi isetshenziselwa ukutholwa kwekhwalithi ye-streptococci yeqembu B kumasampuli eswabhu yomlomo wesibeletho wesifazane ku-vitro.
Le khithi isetshenziselwa ukutholwa kwekhwalithi ye-Fetal Fibronectin (fFN) ekuphumeni komlomo wesibeletho ku-vitro.
Umkhiqizo usetshenziselwa ukutholwa kwekhwalithi ye-in vitro yezinga le-HCG kumchamo womuntu.
Lo mkhiqizo usetshenziselwa ukutholwa kwekhwalithi ye-progesterone (P) ku-serum yomuntu noma amasampula e-plasma e-vitro.
Lo mkhiqizo usetshenziselwa ukutholwa kwekhwalithi yezinga le-Follicle Stimulating Hormone (FSH) kumchamo womuntu ku-vitro.
Umkhiqizo usetshenziselwa ukutholwa kwekhwalithi ye-in vitro yezinga le-Luteinizing hormone emchameni womuntu.