and modeling of fertility and contraceptive practice, on fecundity issues, on the effect of marriage patterns on fertility … revolutionary rise of contraceptive use and to the decline in fertility that has occurred in the developing world in the past three …

-income countries. In doing so, it focuses on fertility outcomes (the number and timing of births), women's health and socio … programs may only explain a modest share of fertility decline in real-world settings (explaining 4-20% of fertility decline …