The list below is a direct quote from the article by Philip Ball:

1) Normalising conception in a petri dish
2) Putting the UK at the forefront of embryology
3) Opening the gateway to a deeper understanding of human reproduction
4) Paving the way for stem cell research
5) It forced us to think about genetic screening
6) It gave us a new view of human conception
7) It sparked a new debate about the moral status of the embryo

Story via Philip Ball for The Observer IVF (theguardian.com)