This topic summary covers Knowledge Organiser within Fertility Treatment for GCSE Biology. Topic 10: Fertility Treatment It is section 10 of 11 in this topic. Use this topic summary to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 10 of 11
Practice
15 questions
Recall
20 flashcards
Knowledge Organiser
Key Terms
- IVF: In vitro fertilisation; fertilisation outside the body
- FSH: Injected to stimulate multiple egg production
- Clomifene: Drug stimulating pituitary FSH/LH release
- Embryo screening: Testing embryos for genetic conditions before implantation
- In vitro: Outside the body, in a laboratory
- Implantation: Embryo embedding in uterus lining
Must-Know Facts
- IVF steps: Stimulate (FSH) → Collect eggs → Fertilise in lab → Grow embryo → Implant
- Success rate per cycle: approximately 25-30% (under 35)
- Clomifene: simpler, cheaper, for women who do not ovulate naturally
- IVF advantages: allows infertile couples to have children; embryo screening possible
- IVF disadvantages: expensive, stressful, low per-cycle success, ethical issues with embryos
- Multiple births risk from transferring more than one embryo