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Learning objective

Explain that a sexually transmitted infection (STI) is an infection spread through sexual activity.

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  • Check key terms.
  • Practise with linked questions.
Cambridge IGCSE BiologyReproductionCore content

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Quick explanation

Explain that a sexually transmitted infection (STI) is an infection spread through sexual activity

  • This point belongs to Sexually transmitted infections, especially Sexually transmitted infections outcomes.
  • You need to be able to explain that a sexually transmitted infection (STI) is an infection spread through sexual activity.
  • The key ideas to know are Describe.
  • Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

Describe

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This objective helps connect Sexually transmitted infections outcomes to exam-style questions, flashcards, and revision notes for Sexually transmitted infections.

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Paper 3 structured question: Sexually transmitted infections

Paper 3Theory (Core)1 marks

Description

STI Transmission

STIs are infections that can be passed from one person to another during sexual contact. This includes vaginal, anal, and oral sex. Understanding how STIs spread is important for prevention.

  1. a

    State what an STI is.

    Aim for approximately 1 distinct marking point.

    [1]
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