The sexually transmitted disease that can affect both the male and the female genitals and may damage the eyes of babies born of infected mothers is

Incubation period of $Treponema \text{ } pallidum$ is about

In which age group is the risk of $STDs$ highest?

Which of the following is an $STD$?

Select the correct option for the early symptoms of Sexually Transmitted Diseases (STDs).
$I -$ Itching in the genital area
$II -$ Abortion
$III -$ Fluid discharge in the genital area
$IV -$ Pelvic Inflammatory Diseases $(PID)$
$V -$ Slight pain in the genital area
$VI -$ Swelling in the genital area

Give scientific reasons: Explain the statement - 'Precaution is needed for safety' in the context of reproductive health.