1. Department of Health National Service Framework for Children,Young People and Maternity Services 2004 http://www.dh.gov.uk/prod_consum_dh/groups/dh_digitalassets/@dh/@en/documents/digitalasset/dh_4090523.pdf
2. Department of Health Maternity Matters: Choice, Access and Continuity of Care in a Safe Service 2007 http://www.dh.gov.uk/prod_consum_dh/groups/dh_digitalassets/@dh/@en/documents/digitalasset/dh_074199.pdf
3. National Collaborating Centre for Women's and Children's Health Intrapartum Care of Healthy Women and Their Babies During Childbirth http://www.nice.org.uk/nicemedia/live/11837/36280/36280.pdf
4. Healthcare Commission Women's Experiences of Maternity Care in the NHS in England: Key Findings from a Survey of NHS Trusts Carried Out in 2007 http://webarchive.nationalarchives.gov.uk/20101014074803/http://www.cqc.org.uk/_db/_documents/Maternity_services_survey_report.pdf