in Latin America, economic and social changes, sometimes combined with birth control policies, have led to a rapid demographic transition of fertility. In the early 1960s, the average number of children per woman was close to 6. In 2017, eleven countries no longer replace their population and only three have an average number of children per woman above 3 (Guzman et al., 2006; United Nations, 2017]. The changes are extremely important...