1. United Nations document A/S-21/5/Add.1, paragraph 64. The definition of reproductive health proposed by WHO and agreed to at the International Conference on Population and Development (Cairo, 1994), includes sexual health.
2. Reproductive health. Report by the Secretariat. WHO fifty-seventh world health assembly, Provisional agenda item 12.10 A57/13, 15 April 2004, p. 9.
3. Family planning services;Kosunen,2000
4. Contraceptive methods used and preferred by men and women;Kirkkola;Adv Contracep,1999
5. Student Health Survey 2000: a national survey among Finnish university students;Kunttu,2001