Trichomonas vaginalis as a risk factor for human papillomavirus: a study with women undergoing cervical cancer screening in a northeast region of Brazil.

Background: Human papillomavirus (HPV) and Trichomonas vaginalis (TV) infections are the most common sexually transmitted infections (STIs) globally. The latter has contributed to a variety of adverse outcomes for both sexes. Moreover, in Brazil, epidemiological studies on patients with STIs are limited.

and Its Association with Other Sexually Transmitted Coinfection among Sexually Active Women from the Northeast of Brazil.

Objective: To verify the association between HPV infection and the presence of coinfections (, , and ) in women in the state of Maranhão.

Methods: HPV-DNA detection was performed by the nested PCR, using the primers PGMY09/11 and GP + 5/GP + 6. For the identification of sexually transmitted agents, conventional PCR was performed using the following primers: KL1/KL2 (), TVA5/TVA6 (), and HO1/HO3 ().