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Which category of contraception only protects against unplanned pregnancies and not STIs and HIV/AIDS?

  1. Barrier methods

  2. Hormonal methods

  3. Natural methods

  4. Permanently surgical methods

The correct answer is: Hormonal methods

Hormonal methods of contraception, which include options such as birth control pills, patches, injections, and intrauterine devices (IUDs), primarily work by regulating hormones in the body to prevent ovulation or create an inhospitable environment for sperm. These methods are highly effective at preventing unplanned pregnancies; however, they do not offer any protection against sexually transmitted infections (STIs) or HIV/AIDS. This focus on pregnancy prevention is crucial, as it highlights that individuals using hormonal contraceptives should consider additional protective measures, such as barrier methods (like condoms), to safeguard against STIs and HIV/AIDS. Understanding the limitations of each contraceptive method is vital for informed decision-making regarding sexual health. Other options, such as barrier methods and natural methods, have their specific advantages related to STI prevention but still serve different purposes in overall reproductive health.