Twinning and Twins

Zygosity determination and the types of twinning, John Burn and Gerald Corney; aetiology of twinning, Doris M.Campbell; descriptive epidemiology, Julian Little and Barbara Thompson; factors affecting twinning, Ian MacGillivray et al; physiological changes and adaptation, Doris M. Campbell; management of twin pregnancies, Ian MacGillivray and Doris M. Campbell; management of labour and delivery, Doris M.Campbell and Ian MacGillivray; birthweight standards for twins, Doris M.Campbell and M Samphier; outcome of twin pregnancies, Doris M.Campbell and Ian MacGillivray; congenital anomalies, Julian Little and Elizabeth M.Bryan; the relationship of birthweight to later growth and intelligence in twins, Cynthia Fraser and Percy P.S.Nylander; some aspects of first births and the heights of twin sisters of known zygosity, Barbara Thompson and Cynthia Fraser; summary of main conclusions with implications for research and practice, Ian MacGillivray