Background: Although Candida is a commensal of the urogenital tract, intrauterine fungal infections are extremely uncommon in clinical practice.
Aims: In the present work we evaluated whether amniotic fluid (AF) possesses direct antifungal activity against clinical isolates of Candidaalbicans and other Candida species.
Methods: A total of 23 AF samples from pregnant women with gestational age of 38-41 weeks were obtained under aseptic conditions by the aspiration of the amniotic sac during cesarean section. Different Candida species were inoculated in amniotic fluid and Sabouraud broth, used as control, and were incubated at 37°C for 48h. Quantitative cultures of test samples and controls were performed at 0, 4, 8, 12, 24, and 48h.
Results: AF collected from 23 pregnant women had consistent and significant inhibitory activity against all Candida isolates tested. Nonetheless, a complete inhibition of growth by all 23 AF samples tested was observed only against Candida glabrata.
Conclusions: It is likely that the antifungal activity of the AF against C. albicans, C. glabrata and Candida parapsilosis observed in vitro also exists in vivo, contributing to protect against intrauterine fungal infections.
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