Hostname: page-component-cd9895bd7-dk4vv Total loading time: 0 Render date: 2024-12-27T09:40:12.824Z Has data issue: false hasContentIssue false

INFERTILITY TREATMENT AND MULTIPLE BIRTH RATES IN BRITAIN 1938-94. A Comment

Published online by Cambridge University Press:  01 January 1998

WILLIAM H. JAMES
Affiliation:
The Galton Laboratory, University College London, Wolfson House, 4 Stephenson Way, London NW1 2HE

Abstract

Murphy et al. (1997) showed age-standardised twinning rates for Scotland and England & Wales 1952–94. The rates declined to a value of about 9·2 per 1000 around 1978–81 and subsequently increased to about 11·5 per 1000 in 1992–94. The authors conclude their paper with the words: 'perhaps 15% of twins nationally now follow treatment and the natural twinning rate might still be in decline'.

Type
DEBATE
Copyright
© 1998 Cambridge University Press

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)