How Sexually Transmitted Infections (STIs) Spread (Parent Q&A)

This guide explains how different sexually transmitted infections (STIs) can pass between people through sexual contact and other infection-specific routes. It clarifies why symptoms and appearance cannot establish whether someone has an infection. It also explains how condoms reduce risk, why testing and treatment matter, and how confidential sexual-health services provide support. The approach is factual, inclusive and non-judgemental.

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