Infertility treatment and multiple birth rates in Britain 1938-94. A comment

Journal of Biosocial Science 30 (1):127-133 (1998)

Murphy etal. (1997) showed age-standardised twinning rates for Scotland and England & Wales 195281 and subsequently increased to about 11·5 per 1000 in 1992–94. The authors conclude their paper with the words: 'perhaps 15% oftwins nationally now follow treatment and the natural twinning rate mightstill be in decline'
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DOI 10.1017/s0021932098211278
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