Henri Leridon List of articlesVol. 65, 2010/4Constructing a Cohort: Experience with the French Elfe ProjectVol. 65, 2010/4Large Child Cohort Studies across the WorldVol. 70, 2015/1Sylvie Brunel, L’Afrique est-elle si bien partie ? [Is Africa actually getting on so well?], Auxerre, Editions sciences humaines, 2014, 183 p.Vol. 70, 2015/2The Development of Fertility Theories: a Multidisciplinary EndeavourVol. 72, 2017/3Biological Effects of First Birth Postponement and Assisted Reproductive Technology on Completed FertilityVol. 59, 2004/1The Demography of a Learned SocietyVol. 59, 2004/3IntroductionVol. 59, 2004/3The Pill and the Condom, Substitution or Association ?Vol. 59, 2004/3Social Inequalities in Access to Contraception in FranceVol. 61, 2006/1Etienne van de Walle 1932-2006English selection 1, 1989/ES1The new couples