Effects of family planning on fertility behaviour across the demographic transition

Abstract The adoption of contraception often coincides with market integration and has transformative effects on fertility behavior. Yet many parents in small-scale societies make decisions about whether and when to adopt family planning in an environment where the payoffs to have smaller families ...

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Autores principales:	Karen L. Kramer, Joe Hackman, Ryan Schacht, Helen E. Davis
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/23649a92da1c4d08aa7817889d4f7315
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spelling	oai:doaj.org-article:23649a92da1c4d08aa7817889d4f73152021-12-02T17:32:57ZEffects of family planning on fertility behaviour across the demographic transition10.1038/s41598-021-86180-82045-2322https://doaj.org/article/23649a92da1c4d08aa7817889d4f73152021-04-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-86180-8https://doaj.org/toc/2045-2322Abstract The adoption of contraception often coincides with market integration and has transformative effects on fertility behavior. Yet many parents in small-scale societies make decisions about whether and when to adopt family planning in an environment where the payoffs to have smaller families are uncertain. Here we track the fertility of Maya women across 90 years, spanning the transition from natural to contracepting fertility. We first situate the uncertainty in which fertility decisions are made and model how childbearing behaviors respond. We find that contraception, a key factor in cultural transmission models of fertility decline, initially has little effect on family size as women appear to hedge their bets and adopt fertility control only at the end of their reproductive careers. Family planning is, however, associated with the spread of lower fertility in later cohorts. Distinguishing influences on the origin versus spread of a behaviour provides valuable insight into causal factors shaping individual and normative changes in fertility.Karen L. KramerJoe HackmanRyan SchachtHelen E. DavisNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Karen L. Kramer Joe Hackman Ryan Schacht Helen E. Davis Effects of family planning on fertility behaviour across the demographic transition
description	Abstract The adoption of contraception often coincides with market integration and has transformative effects on fertility behavior. Yet many parents in small-scale societies make decisions about whether and when to adopt family planning in an environment where the payoffs to have smaller families are uncertain. Here we track the fertility of Maya women across 90 years, spanning the transition from natural to contracepting fertility. We first situate the uncertainty in which fertility decisions are made and model how childbearing behaviors respond. We find that contraception, a key factor in cultural transmission models of fertility decline, initially has little effect on family size as women appear to hedge their bets and adopt fertility control only at the end of their reproductive careers. Family planning is, however, associated with the spread of lower fertility in later cohorts. Distinguishing influences on the origin versus spread of a behaviour provides valuable insight into causal factors shaping individual and normative changes in fertility.
format	article
author	Karen L. Kramer Joe Hackman Ryan Schacht Helen E. Davis
author_facet	Karen L. Kramer Joe Hackman Ryan Schacht Helen E. Davis
author_sort	Karen L. Kramer
title	Effects of family planning on fertility behaviour across the demographic transition
title_short	Effects of family planning on fertility behaviour across the demographic transition
title_full	Effects of family planning on fertility behaviour across the demographic transition
title_fullStr	Effects of family planning on fertility behaviour across the demographic transition
title_full_unstemmed	Effects of family planning on fertility behaviour across the demographic transition
title_sort	effects of family planning on fertility behaviour across the demographic transition
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/23649a92da1c4d08aa7817889d4f7315
work_keys_str_mv	AT karenlkramer effectsoffamilyplanningonfertilitybehaviouracrossthedemographictransition AT joehackman effectsoffamilyplanningonfertilitybehaviouracrossthedemographictransition AT ryanschacht effectsoffamilyplanningonfertilitybehaviouracrossthedemographictransition AT helenedavis effectsoffamilyplanningonfertilitybehaviouracrossthedemographictransition
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Effects of family planning on fertility behaviour across the demographic transition

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