Partnership life courses and completed fertility in Spain (by Sergi Vidal)

Background: Fertility in Spain has declined and shifted to later ages alongside diversification of family formation, raising questions about how partnership life courses shape completed fertility by late reproductive age. Objective: We aim to assess how key features of partnership trajectories – timing, duration, and sequencing – relate to motherhood and parity by age 41 among women in contemporary Spain, and whether associations differ by education. Methods: We analyze 7,656 women, born 1962–19