title: Fertility in adolescence: proceedings of the 7th International Planned Parenthood Federation Biomedical Workshop, London, November 17-18, 1977.
mesh_terms: D000293:Adolescent; D000349:Africa; D001208:Asia; D003226:Congresses as Topic; D005060:Europe; D005193:Family Planning Services; D005260:Female; D005298:Fertility; D006801:Humans; D008297:Male; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D012952:Societies; D014481:United States