Taylor, Tamara; Keyse, Laura; Bryant, Aimee (2006). Contraception and Sexual Health, 2005/06(PDF). London: Office for National Statistics. ISBN1-85774-638-4. Archivado desde el original el 9 de enero de 2007. British women aged 16–49: 24% currently use the Pill (17% use Combined pill, 5% use Minipill, 2% don't know type)
Taylor, Tamara; Keyse, Laura; Bryant, Aimee (2006). Contraception and Sexual Health, 2005/06(PDF). London: Office for National Statistics. ISBN1-85774-638-4. Archivado desde el original el 9 de enero de 2007. British women aged 16–49: 24% currently use the Pill (17% use Combined pill, 5% use Minipill, 2% don't know type)