Homeostasis & ResponseHigh Exam FrequencyAQAEdexcelOCRWJEC

Contraception

Topic 9: Contraception

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Key Reproductive Hormones

The 28-Day Menstrual Cycle

Hormonal Contraception

Non-Hormonal Contraception

How It Works: How Hormonal Contraception Prevents Pregnancy

Key Definitions

Common Misconceptions

Memory Aids

Higher Hormone Interactions in the Menstrual Cycle and Contraception

Exam Focus

Knowledge Organiser

Exam Tips: Contraception

What is contraception?

Methods and devices used to prevent pregnancy by stopping fertilization or implantation of a fertilized egg.

How do hormonal contraceptives work?

They contain synthetic hormones (estrogen and progesterone) that maintain high hormone levels, preventing ovulation.

Which hormone triggers the release of an egg from the ovary (ovulation)?

1 markfoundation

Explain the role of oestrogen in the menstrual cycle.

3 marksstandard

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