Figure 3: Maternities with multiple births by Age of Mother, 1976, 2012 and 2013
England and Wales
Source: Office for National Statistics
Multiple births arising from a single pregnancy are counted as one maternity. The number of maternities indicates the number of women having babies (including stillbirths) rather than the number of babies born.
The 1976 multiple maternity rate for women aged 45 and over was calculated from fewer than 20 maternities. Its reliability as a measure may be affected by the small number of events.