Commonest trophozite infection by sexual intercourse -
Trichomoniasis has an estimated annual incidence of 173 million cases(Ref.PARK'S TEXTBOOK OF PREVENTIVE AND SOCIAL MEDICINE 21st Edition page no.304)
Communicable diseases
Entamoeba histolytica
Trichomonas vaginalis
Trepanoma palidium
Giabrdia intestinales
Trichomonas vaginalis