The correct option is C Females experience foul-smelling yellow vaginal discharge, painful urination, reddening of vulva, etc
Trichomoniasis is caused by Trichomonas vaginalis. It is pear-shaped and motile.
It inhabits the lower genital tract of females and urethra
and prostate in males. In males the parasite produces irritation in urethra. Its transmission is through sexual contact.
Complete course of metronidazole proves effective in this infection.