1. Woman loses final embryo appeal. BBC News Online. 10th April 2007., [
http://news.bbc.co.uk/1/hi/health/6530295.stm
]
2. Case of Evans v. The United Kingdom. (Application no. 6339/05).
3. See, for example, comments listed by the Science Media Centre. Press releases 7th March 2006: Experts react to the Natallie Evans case ruling. [
http://www.sciencemediacentre.org/press_releases/06-03-07_natallieevans.htm
]
4. HFE Act 1990. [
http://www.opsi.gov.uk/acts/acts1990/Ukpga_19900037_en_5.htm#sdiv3
]
5. Bayne T, Kolers A: Parenthood and Procreation. The Stanford Encyclopedia of Philosophy (Summer 2006 Edition). Edited by: Zalta EN. Bayne and Kolers list four grounds of parenthood: genetic, gestational, genetic and causal. I have added to these the legal and nurturing components., [
http://plato.stanford.edu/archives/sum2006/entries/parenthood
]