This information is not available in the format requested. However, data derived from Hospital Episode Statistics (HES) shows the age at which it is most common for women to give birth for the first time over the past five years. This is shown in the table as follows.
1 April to 31 March: Age in years 2001-02 30 2002-03 30 2003-04 29 2004-05 30 2005-06 30