Figure: The 5 steps of IVF โ 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
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.
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.