New Delhi, Feb. 11 -- Is casual sex, without protection, with one or multiple partners, something that you do often? You may end up with a sexually transmitted infection or STI. In fact, anyone who is sexually active, must get tested for STIs. There is a need for regular testing, as infections such as chlamydia, gonorrhea, and syphilis don't always show symptoms in the early stages. However, you may have questions about STI tests. Are you confused about what exactly happens in these tests, and how often you should get tested? On the occasion of Sexual and Reproductive Health Awareness Day, which falls on February 12, we tell you all about these.

What are sexually transmitted infections?

Sexually transmitted infections (STIs) are infecti...