Pharmaceutical, biological and beneficial microbial preparations used in the treatment of women's genitourinary tract infections and conditions; preparations and substances for medical, therapeutic or prophylactic use; live and heat-killed microbial preparations and substances; topical gels and creams; intravaginal and intrarectal suppositories; probiotic formulations, namely, suppositories, gels, creams, and lyophilized powders for medical purposes, in particular, for modifying or stabilizing the microbiota of the genitourinary tract, producing beneficial metabolites; probiotic and postbiotic formulations, namely, capsules, suppositories, lyophilized powders, gels, and creams for prophylactic and therapeutic management of female genitourinary infections and recurrent conditions; pharmaceutical preparations for genitourinary microbiome dysbiosis resulting from the use of antibiotic medications for the stabilization of a perturbed vaginal microbiota.