The results of consanguineous marriges in Düzce population

In order to determine the rate of intermarriage and its medical effects in the population of Düzce, 1000 randomly chosen families were visited. Every married women were to fill a survey that enquired age, education level, residence, marriage type (intermarriage or not), ethnicity, abortion, stillbirth, having (or not) child with congenital anomaly.It is stated that the rate of intermarriage in Düzce is 11,5 %. The rate of intermarriage in Düzce is 11,5 % that 8,1 % of it includes intermarriage to 1st cousin, 2,7 % to 1,5th cousin and 0,2 % to 2nd cousin. The ancestry coefficient was calculated as 0,00471.When intermarriage was considered with age, it was found that 11,7 % between the age 30 and below; 11,6 % between 31 and 40; 37 % between 41 and 50 and 18 % between 50 and above of the women were intermarried.When the relation between education level and intermarriage was searched, it was determined graduate women evidently are less frequently intermarried than the other women.When the relation between intermarriage and women?s residence, it was not detected a significant difference between them.When the relation between ethnicity and intermarriage was searched, it was revealed people from West Black sea are the most intermarried group. After that East Anatolian, Georgian, Central Anatolian and native people were listed, respectively.When the relation between intermarriage and spontaneous abortion was searched, it was found that the incidence of spontaneous abortion is approximately two times higher in intermarried women. It was not found a relation between the stillbirth and intermarriage.The frequency of mental and growth retardation in the children of intermarried women was found to be significantly higher than in those of unintermarried women.