Frequency of consanguineous marriage in Tehran and some related factors

Introduction: Consanguineous marriage is an important type of marriage in the world including Iran. Familial marriage mean's marriage between a man and woman who has at least one common grandfather. The aim of this study was to determine the frequency of consanguineous marriage and some related factors in Tehran (2008). Material and Methods: This study was a cross-sectional with descriptive and analytic features. 180 couples who intend to marriage and come to heath care centers of Tehran's (summer 2008) medical universities were randomly assessed with an author's built questionnaire. Results: Means age of persons with consanguineous marriage and non-consanguineous marriage were 24.7 ± 4.2 years and 25.6 ± 4 years, respectively. The level of knowledge of majority of persons about the effects of consanguineous marriage was intermediate and lower. Most of people believed that genetic consult is very necessary. Frequency of consanguineous marriage was 17.7%. Incidence of familial marriage has no significant relationship with age, sex and education of persons (P>0.05), but there was significant relationship between occurrence of familial marriage and history of this type of marriage in their parent, family and friends (P