Describe sexually transmitted diseases and mention the ways to prevent them.

Explanation

A disease which can be transmitted through sexual contact is called sexually transmitted disease or STD. Lack of hygiene is usually a major factor in providing conditions for spread of STDs. But unprotected sex with multiple and unknown partners is the biggest reason for the spread of STDs. Some of the ways to prevent STDs are as follows:
(i) Being faithful to one.s life partner.
(ii) Avoiding sexual contact with unknown person.
(iii) Using condom during sexual intercourse.
(iv) Maintaining personal hygiene.