Which of the following is not a sexually transmitted disease?

Later complications of $STDs$ are

$I$. Pelvic inflammation disease

$II$. Abortion

$III$. Still birth

$IV$. Ectopic pregnancies

$V$. Infertility

$VI$. Cancer

Choose the correct combinations

All reproductive tract infections $\rm {RTIs}$, are $\rm {STDs}$, but all $\rm {STDs}$ are not $\rm {RTIs}$. Justify with example.

$STDs$ caused by viruses are

$I. \;AIDS$

$II.\; Hepatitis-B$

$III. \;Genital herpes$

What measures should be taken to avoid the transmission of $STD$?

$I$. Avoid sex with unknown

$II$. Avoid sex with multiple partner

$III$. Do protected sex

$IV$. Avoid sharing needle

STDs are reported to be very high among persons in the age group of ..... years.