This deep dive covers Non-Hormonal Contraception within Contraception for GCSE Biology. Topic 9: Contraception It is section 4 of 12 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
Non-Hormonal Contraception
BARRIER METHODS
Condoms — prevent sperm reaching egg
Also protect against STIs
Condoms — prevent sperm reaching egg
Also protect against STIs
INTRAUTERINE DEVICES (IUDs)
Copper IUD — prevents implantation
Hormonal IUD — releases progesterone
Copper IUD — prevents implantation
Hormonal IUD — releases progesterone
SURGICAL
Sterilisation — permanent (cutting tubes)
Usually irreversible
Sterilisation — permanent (cutting tubes)
Usually irreversible
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
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.
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.