This deep dive covers IVF (In Vitro Fertilisation) within Fertility Treatment for GCSE Biology. Topic 10: Fertility Treatment It is section 2 of 11 in this topic. Use this deep dive to connect the idea to the wider topic before moving on to questions and flashcards.
🧬 IVF (In Vitro Fertilisation)
Figure: The 5 steps of IVF — examiners often ask about "advantages and disadvantages" linking to success rates, ethics, multiple births, emotional cost.
Steps:
- Woman given FSH and LH to stimulate multiple eggs to mature
- Eggs collected from ovaries
- Fertilised with sperm in a lab dish
- Embryos grown to a small ball of cells
- 1 or 2 embryos inserted into uterus
Practice questions for Fertility Treatment
Which two hormones are given to a woman at the start of IVF treatment to stimulate the production of multiple eggs?
Explain why FSH and LH are given to a woman before eggs are collected during IVF.
Quick recall flashcards
What does IVF stand for and what is it?
IVF = In Vitro Fertilisation. It is a fertility treatment where eggs are fertilised by sperm outside the body in a laboratory, then the embryo is transferred to the uterus.
What is clomifene and how does it work?
Clomifene is a drug that stimulates FSH and LH release from the pituitary gland. This promotes egg development and triggers ovulation, helping women who do not ovulate regularly.