“…Further, women who have unplanned pregnancies which continue to term have fewer opportunities to benefit from pre-conceptual and early antenatal care (e.g. taking folic acid, giving up smoking), and unplanned pregnancies have been linked to poor infant outcomes (Fergusson & Horwood, 1983;Baydar, 1995). Hence the importance of good population estimates of the prevalence of unplanned pregnancy and the numerous attempts to gather such information in the 40 years since reliable contraception made pregnancy planning a realistic concept (Freedman, Whelpton, & Campbell, 1959;Cartwright, 1970Cartwright, , 1976Cartwright, , 1988Ryder & Westoff, 1971;Bone, 1973Bone, , 1978Westoff & Ryder, 1977;Dunnell, 1979;Cleland & Scott, 1987;Fleissig, 1991;Macro International, 1994).…”