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Consanguineous marriages in the Turkish population
N Başaran1, B S Sayli, A Başaran
1Division of Medical Genetics, Medical Faculty, Anadolu University, Eskişehir, Turkey.
Clinical Genetics
|November 1, 1988
Summary
Consanguineous marriage, defined as unions between relatives, occurred in 21.21% of marriages in Turkey between 1970-1987. This rate varied significantly across different regions, indicating localized patterns of genetic relationships.
Area of Science:
- Human Genetics
- Population Studies
- Sociology
Background:
- Consanguineous marriages are unions between individuals who are genetically related.
- Understanding the prevalence and patterns of consanguinity is crucial for population genetics and public health.
- Previous studies have indicated varying rates of consanguinity globally and within specific regions.
Purpose of the Study:
- To determine the overall prevalence of consanguineous marriage in Turkey.
- To calculate the inbreeding coefficient for the Turkish population during the study period.
- To identify regional variations in consanguineous marriage rates.
Main Methods:
- Analysis of 55,175 marriage records from Turkey.
- Data collected retrospectively covering the period from 1970 to 1987.
- Statistical calculation of consanguinity rates and inbreeding coefficient.
Main Results:
- An overall consanguineous marriage rate of 21.21% was observed.
- The majority of consanguineous unions were between first cousins.
- A significant inbreeding coefficient of 0.0064532 was calculated.
- Considerable regional differences in consanguinity rates were apparent across Turkey.
Conclusions:
- Consanguineous marriage represents a significant proportion of marriages in Turkey.
- The calculated inbreeding coefficient suggests a measurable level of inbreeding in the Turkish population.
- Regional disparities highlight the need for geographically specific analyses of genetic relationships.