1. Trends in contraceptive use;Darroch;Contraception,2013
2. Contraception technology: past, present and future;Sitruk-Ware;Contraception,2013
3. Population and households;Qu,2018
4. Household and family projections,2019
5. Why do people postpone parenthood? Reasons and social policy incentives;Mills;Hum Reprod Update,2011