title: Fitting a theoretical model to the waiting time to first conception, with an application to Sudan.
authors.forename: M
authors.initials: M
authors.lastname: Khalifa
mesh_terms: D000349:Africa; D000352:Africa, Northern; D001721:Birth Intervals; D001723:Birth Rate; D003710:Demography; D003906:Developing Countries; D005298:Fertility; D005306:Fertilization; D008393:Marriage; D008877:Middle East; D008962:Models, Theoretical; D011153:Population; D011157:Population Dynamics; D011158:Population Growth; D012098:Reproduction; D012106:Research; D013223:Statistics as Topic; D013397:Sudan
keywords: Africa; Arab Countries; Birth Intervals; Demographic Factors; Developing Countries; Estimation Technics; Fecundability; Fecundity; Fertility; Fertility Measurements; Fertilization; High Fertility Population; Marriage; Marriage Age; Marriage Patterns; Mathematical Model; Models, Theoretical; Northern Africa; Nuptiality; Population; Population Dynamics; Reproduction; Research Methodology; Sudan; Theoretical Studies