$A$ sexually transmitted disease, symptomatized by the development of ulcers on the genitals, is caused by the infection of

$A$ : Diseases or infections which are transmitted through sexual intercourse are collectively called sexually transmitted diseases $(STDs)$.
$R$ : $STDs$,if not properly treated,may lead to pelvic inflammatory diseases,abortion,stillbirth,ectopic pregnancies,infertility,or even cancer of the reproductive tract.

Which of the following cannot be considered a symptom of a female suffering from gonorrhea?

Which of the following parts cannot get affected in a female suffering from chlamydia?

Which pathogen is responsible for syphilis?

Which of the following sexually transmitted diseases is caused by a protozoan?