The information requested falls within the responsibility of the UK Statistics Authority. I have asked the Authority to reply.
Letter from Karen Dunnell, dated July 2009:
As National Statistician, I have been asked to reply to your recent question asking what the conception rate among women under the age of 18 years was in each of the last five years. (284761)
Figures on conceptions are estimates based on the number of live births, stillbirths or legal abortions. They do not include miscarriages and illegal abortions.
The table below provides the rate of conceptions among women aged under the age of 18 for England and Wales for 2003 to 2007 (the most recent year for which figures are available).
Rate per 1.0002 Conceptions 2003 42.4 2004 41.8 2005 41.4 2006 40.9 20073 41.9 1 Under 18 years at estimated date of conception. 2 Number of conceptions to women under 18 per 1,000 female population aged 15-17. 3 Figures for 2007 are provisional.