This deep dive covers Hormonal Contraception within Contraception for GCSE Biology. Topic 9: Contraception It is section 3 of 12 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
💊 Hormonal Contraception
THE PILL (Oral contraceptive)
Contains oestrogen and progesterone
Inhibits FSH — prevents egg maturing
Over 99% effective if used correctly
Contains oestrogen and progesterone
Inhibits FSH — prevents egg maturing
Over 99% effective if used correctly
INJECTION / IMPLANT / PATCH
Slow-release progesterone
Inhibits FSH and LH
Last months or years
Slow-release progesterone
Inhibits FSH and LH
Last months or years
Practice questions for Contraception
Which hormone triggers the release of an egg from the ovary (ovulation)?
Explain the role of oestrogen in the menstrual cycle.
Quick recall flashcards
What is contraception?
Contraception is any method used to prevent pregnancy by stopping fertilisation or implantation of an egg. Methods can be hormonal, barrier, or other approaches.
How does the contraceptive pill work?
The pill contains synthetic oestrogen and/or progesterone. These keep hormone levels high, which inhibits FSH release from the pituitary — preventing egg maturation and ovulation.