The secular trend of twinning in Australia, 1853-1982

Acta geneticae medicae et gemellologiae
J D Doherty, P A Lancaster

Abstract

The incidence of twinning in Australia from 1853 to 1982 is described. The overall trend was determined by changes in the dizygotic rate and, for more than a century, it has been similar to that found in Finland and the South of Italy. It is not explained by demographic changes and there is no clear relationship with industrialisation or psychosocial factors. Monozygotic twinning has increased, most markedly in the 1970s. No adequate explanation has been given for this increase, so continuing surveillance in many different populations is necessary.

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Citations

Aug 1, 1990·Australian Dental Journal·M S Tüzüm
Jan 1, 1995·Acta geneticae medicae et gemellologiae·A W ErikssonJ O Fellman
Dec 31, 1997·Journal of Child Psychology and Psychiatry, and Allied Disciplines·J K HewittL J Eaves
Feb 12, 2005·Internal Medicine Journal·R P S Jansen
Jan 1, 1989·Acta geneticae medicae et gemellologiae·M H Baena de MoraesH Krieger
Aug 1, 1990·Australian Dental Journal·G Townsend, L Richards
Jan 1, 1987·Acta geneticae medicae et gemellologiae·J O Fellman, A W Eriksson
Jul 28, 2013·American Journal of Epidemiology·Michael JoffeNicky Best
Jan 1, 1988·Acta geneticae medicae et gemellologiae·J Bertranpetit, A Marin
Jan 1, 1988·Acta geneticae medicae et gemellologiae·J D Doherty
Jan 1, 1987·Acta geneticae medicae et gemellologiae·K Nonaka, T Miura
Jan 1, 1990·Acta geneticae medicae et gemellologiae·D A HayT M Theobald
Jan 1, 1990·Acta geneticae medicae et gemellologiae·D T LykkenA Tellegen
Jan 1, 1987·Acta geneticae medicae et gemellologiae·W M BressersP Parisi
Jan 1, 1996·Acta geneticae medicae et gemellologiae·B BeiguelmanL A Magna
Jan 1, 1992·Acta geneticae medicae et gemellologiae·J L Hopper

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