1. Abortion Act 1967. Section 1. London: HMSO; 1967 [http://www.legislation.gov.uk/ukpga/1967/87/section/1]. Accessed 17 January 2011.
2. Abortion statistics, England and Wales 2010. www.dh.gov.uk/en/Publicationsandstatistics/Publications/PublicationsStatistics/DH_126769 (access date 15 May 2012).
3. 'Pro-life' MPs refuse to back down over bid to change abortion advice.Oliver Wright, Whitehall Editor http://www.independent.co.uk/news/uk/politics/prolife-mps-refuse-to-back-down-over-bid-to-change-abortion-advice-2345862.html ( access date 15 September 2011)
4. Counselling services for sterilisation and termination of pregnancy;Allen,1985