Open main menu

Sexually Transmitted Infection

Key Stage 3

Meaning

A sexually transmitted infection (STI) is a pathogen passed form one organism to another during sexual intercourse.

About Sexually Transmitted Infections

Sexually transmitted infections used to be called sexually transmitted diseases but it was decided the word 'disease' was too upsetting for people so it was changed to 'infection' which was considered less negative.

Key Stage 4

Meaning

A sexually transmitted infection (STI) is a pathogen passed form one organism to another during sexual intercourse.

About Sexually Transmitted Infections

Sexually transmitted infections are spread by physical contact and the exchange of bodily fluids.
Some sexually transmitted infections you may have heard of:

References

Edexcel

Sexually transmitted infections (STIs), page 113, GCSE Biology, Pearson, Edexcel
STIs (sexually transmitted infections), pages 156, 157, GCSE Biology, CGP, Edexcel
STIs, page 40, GCSE Combined Science; The Revision Guide, CGP, Edexcel

OCR

Sexually transmitted infections (STIs), pages 212, 215, Gateway GCSE Biology, Oxford, OCR