title: Fecundibility and social development in China: changes in the distribution of the first conception interval.
authors.forename: R
authors.initials: R
authors.lastname: Sturm
authors.forename: J
authors.initials: J
authors.lastname: Zhang
mesh_terms: D001208:Asia; D001721:Birth Intervals; D001723:Birth Rate; D002681:China; D015331:Cohort Studies; D003710:Demography; D003906:Developing Countries; D005202:Asia, Eastern; D005298:Fertility; D008962:Models, Theoretical; D011153:Population; D011154:Population Characteristics; D011157:Population Dynamics; D012098:Reproduction; D012106:Research; D012922:Social Change; D013997:Time Factors
keywords: Asia; China; Cohort Analysis; Demographic Factors; Developing Countries; Eastern Asia; Fecundability; Fecundity; Fertility; Fertility Measurements; First Pregnancy Intervals; Heterogeneity; Interdisciplinary Studies; Models, Theoretical; Population; Population Characteristics; Population Dynamics; Pregnancy Intervals; Reproduction; Research Methodology; Social Change; Time Factors