BACKGROUND Although spontaneous miscarriage is the most common complication of
human pregnancy, potential contributing factors are not fully understood. Advanced …

Résumé Cet article présente un aperçu des recherches dans le domaine de la fécondité
réalisées dans les sociétés dites avancées, c'est-à-dire les sociétés dans lesquelles le …

BACKGROUND Across the developed world couples are postponing parenthood. This
review assesses the consequences of delayed family formation from a demographic and …

What motivates grandparents to their altruism? We review answers from evolutionary theory,
sociology, and economics. Sometimes in direct conflict with each other, these accounts of …

Europeanen stellen het ouderschap steeds verder uit. Vrouwen in Ierland, Italie, Frankrijk,
Nederland, Spanje, Zweden en Zwitserland krijgen hun eerste kind na hun 28-jarige leeftijd …

This working paper provides an overview of trends in female and male childlessness in
Europe over the last decades and explores associations between cohort childlessness and …

Previous analyses of period fertility suggest that the trends of the Nordic countries are
sufficiently similar that we may speak of a common “Nordic fertility regime”. We investigate …

BACKGROUND This study examines whether social age deadlines exist for childbearing in
women and men, how they vary across countries, whether they are lower than actual …

After decades of fertility postponement, we investigate recent changes in late parenthood
across low‐fertility countries in the light of observations from the past. We use long series of …

Advanced maternal age is associated with negative offspring health outcomes. This
interpretation often relies on physiological processes related to aging, such as decreasing …