They can be passed from female to male, male to female, male to male, female to female; through vaginal sexual intercourse and other intimate sexual contact, e.g. oral sex, anal sex, mutual masturbation.
A lot of people with STI's do not have symptoms. Someone who has been treated may not tell you they have been infected. You may not be able to tell if someone is infected just by looking at him/her.
The more sexual partners a person has, the greater the risk of contracting a STI.
Some STI's can have long term complications such as infertility and cancer.
You or your sexual partner may have a sexually transmitted infection if you have one or all of the following:
You may not have any symptoms at all but if you have recently become sexually active or changed your sexual partner and suspect that you may have a sexually transmitted infection then it is advisable to undergo sexual health screening.
In this guide
