Sexually Transmitted Infections (STIs) are passed from one person to another through sex.

STIs are on the rise in the UK, especially among young people. Know the facts:

• Many STIs show no symptoms for a long time, or for certain people
• The best way to find out if you have an STI is to be tested
• All STIs can be helped by medical treatment

Condoms are an effective barrier against STIs.

Find out more about STIs.

FACT: The Family Planning Association estimate that as many as one in ten young people may be infected with the STI Chlamydia.