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

Which of the following $STDs$ are not curable?

Syphilis is an infectious bacterial disease caused by $Treponema\ pallidum$ with $3$ stages:
$(A)$ Infectious painless ulcers on the genitals $\quad(i)$ First
$(B)$ Blindness, heart trouble, aortic impairment $\quad(ii)$ Second
$(C)$ Skin lesions, hair loss, swollen joints $\quad(iii)$ Third
Which of the following is the correct match between the symptoms and stage?

$STDs$ (Sexually Transmitted Diseases) can lead to several long-term complications. Which of the following are considered later complications of $STDs$?
$I$. Pelvic inflammatory disease
$II$. Abortion
$III$. Stillbirth
$IV$. Ectopic pregnancies
$V$. Infertility
$VI$. Cancer
Choose the correct combination:

Match the sexually transmitted diseases in Column-$I$ with their causative agents in Column-$II$ and select the correct option.

Column-$I$	Column-$II$
$A$. Gonorrhoea	$1$. $HIV$
$B$. Syphilis	$2$. $Neisseria$
$C$. Genital herpes	$3$. $Treponema$
$D$. $AIDS$	$4$. $Herpes$ $simplex$ $virus$

Diseases which are transmitted through sexual intercourse are collectively called: