AQA · GCSE · Biology

    Course version: 8461 · Version from Sept 2018

    Students should be able to evaluate the different hormonal and non-…

    Full specification wording

    Contraception: Students should be able to evaluate the different hormonal and non- hormonal methods of contraception.

    Evaluation means weighing benefits against drawbacks for named methods, then reaching a supported judgement.

    Checked against the AQA 8461 specification (opens in a new tab) on .

    • Point 1 of 3
    • 4 key terms

    Study notes

    From the checked teaching notes for this specification point.

    The idea

    Evaluation means weighing benefits against drawbacks for named methods, then reaching a supported judgement. Hormonal methods such as the combined pill alter the natural cycle so no egg matures; they are highly effective when used correctly but can cause side effects and do not protect against sexually transmitted infections. Non-hormonal methods act physically or chemically: condoms block sperm and also reduce infection risk, diaphragms need correct fitting, intrauterine devices prevent implantation, spermicides kill or disable sperm, and sterilisation is intended to be permanent. Abstaining from intercourse during the fertile window avoids hormones but demands accurate cycle knowledge. A strong answer compares effectiveness, reversibility, side effects, convenience, infection protection and suitability for different people, rather than listing methods.

    What earns the marks

    • Compares at least one hormonal method with at least one non-hormonal method, identifying a clear advantage and disadvantage of each.
    • Explains how a named method works, for example the pill inhibits FSH so eggs do not mature, or a condom prevents sperm reaching an egg.
    • Discusses reversibility, noting that sterilisation is intended to be permanent while the pill, implant and barrier methods are generally reversible.
    • Considers protection against sexually transmitted infections, recognising that barrier methods such as condoms offer protection whereas hormonal methods do not.
    • Reaches a justified overall judgement, for example that effectiveness depends on correct and consistent use as well as on the method chosen.

    Common mistakes and how to put them right

    • Treating evaluation as a list of methods with no comparison.

      Put it right: State a benefit and a drawback for each method and then weigh them against each other.

    • Claiming that hormonal contraception protects against sexually transmitted infections.

      Put it right: Only barrier methods such as condoms reduce that risk.

    • Assuming all methods are equally reversible.

      Put it right: Sterilisation is intended to be permanent whereas most hormonal and barrier methods are not.

    Exam tips

    • Use comparative connectives such as whereas, however and therefore so the examiner can see evaluation rather than description.
    • Anchor each point to a named method and a specific feature, for example the implant releases progesterone slowly over months or years.
    • Finish with a short judgement that answers the question directly, for example stating which method best suits a particular set of circumstances and why.

    Try the lesson

    The start of the Contraception: Students should be able to evaluate the different hormonal and non- hormonal methods of contraception. lesson, made from checked teaching notes for this specification point.

    Have a go first

    A patient requires a contraceptive method that is highly effective, lasts for several years, and does not contain any hormones. Which evaluation correctly identifies the most suitable method for this patient?

    Listen

    Evaluation means weighing benefits against drawbacks for named methods, then reaching a supported judgement. Hormonal methods such as the combined pill alter the natural cycle so no egg matures; they are highly effective when used correctly but can cause side effects and do not protect against sexually transmitted infections. Non-hormonal methods act physically or chemically: condoms block sperm and also reduce infection risk, diaphragms need correct fitting, intrauterine devices prevent implantation, spermicides kill or disable sperm, and sterilisation is intended to be permanent. Abstaining from intercourse during the fertile window avoids hormones but demands accurate cycle knowledge. A strong answer compares effectiveness, reversibility, side effects, convenience, infection protection and suitability for different people, rather than listing methods. A strong answer earns marks for these points. Compares at least one hormonal method with at least one non-hormonal method, identifying a clear advantage and disadvantage of each. Explains how a named method works, for example the pill inhibits FSH so eggs do not mature, or a condom prevents sperm reaching an egg. Discusses reversibility, noting that sterilisation is intended to be permanent while the pill, implant and barrier methods are generally reversible. Considers protection against sexually transmitted infections, recognising that barrier methods such as condoms offer protection whereas hormonal methods do not. A common slip: Treating evaluation as a list of methods with no comparison. Instead, state a benefit and a drawback for each method and then weigh them against each other. Exam tip: Use comparative connectives such as whereas, however and therefore so the examiner can see evaluation rather than description.

    See it

    A top-down flowchart. The top node, Contraception methods, splits into two branches: Hormonal methods and Non-hormonal methods. The Hormonal methods branch leads to four nodes: Combined pill: alters natural cycle so no egg matures; Highly effective when used correctly; Can cause side effects; Do not protect against STIs. The Non-hormonal methods branch leads to five nodes: Condoms: block sperm and reduce infection risk; Diaphragms: need correct fitting; Intrauterine devices: prevent implantation; Spermicides: kill or disable sperm; Sterilisation: intended to be permanent.
    It classifies hormonal and non-hormonal contraception methods and shows the benefits and drawbacks of each.

    Key words

    Say what each word means before you turn the card.

    Hormonal control of the menstrual cycle

    Try answering aloud or in your head before turning the card.

    Barrier and physical methods of contraception

    Try answering aloud or in your head before turning the card.

    Reversibility and long-term suitability

    Try answering aloud or in your head before turning the card.

    Effectiveness, side effects and infection risk

    Try answering aloud or in your head before turning the card.

    See every definition
    Hormonal control of the menstrual cycle
    Hormonal methods such as the combined pill alter the natural cycle so no egg matures, and the pill inhibits FSH so eggs do not mature.
    Barrier and physical methods of contraception
    Non-hormonal methods act physically or chemically: condoms block sperm and also reduce infection risk, and diaphragms need correct fitting.
    Reversibility and long-term suitability
    Sterilisation is intended to be permanent, while the pill, implant and barrier methods are generally reversible.
    Effectiveness, side effects and infection risk
    Hormonal methods are highly effective when used correctly but can cause side effects and do not protect against sexually transmitted infections, whereas barrier methods such as condoms offer protection.

    Label the diagram

    Some boxes have lost their names. Pick the right name for each number.

    The diagram again, with 3 boxes numbered instead of named. A top-down flowchart. The top node, Contraception methods, splits into two branches: Hormonal methods and Non-hormonal methods. The Hormonal methods branch leads to four nodes: Combined pill: alters natural cycle so no egg matures; Highly effective when used correctly; Can cause side effects; Do not protect against STIs. The Non-hormonal methods branch leads to five nodes: Condoms: block sperm and reduce infection risk; Diaphragms: need correct fitting; Intrauterine devices: prevent implantation; Spermicides: kill or disable sperm; Sterilisation: intended to be permanent.
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