“…In some cases, data sources were quite outdated, as in Italy, where the only available data were those of the 1979 World Fertility Survey (WFS, 1982), and France, where data came from the French National Fertility Survey of 1978 (WFS, 1981;Leridon, 1981;Leridon & Sardon, 1979). More recent data were available for the other countries: the General Household Survey (Office of Population Censuses and Surveys, 1985) for Great Britain; a 1983 Fertility Survey published after completion of our study (Instituto Nacional Estadistica, 1986) for Spain; and a survey by Doring et al (1986) for the Federal Republic of Germany. Moreover, while most available data had been collected for demographic purposes, the present aim was to study the wider behavioural context of contraception, and the enquiry into women's opinions regarding contraceptive methods placed particular emphasis on oral contraception, as this method is widely used, known and discussed.…”