Objective: As it known, the problem of child marriage is increasingin last years and primarily affect girls. Worldwide, child marriage ismost often occurs in poor, rural communities, as in some regionsof Turkey. Unfortunately, the child marriage may have beenaffected the negative way of functionality which emerging themany problem. For instance, child marriages are twice as likelyto be victims of domestic violence with impaired marital harmonythan their peers who marry later. A further stronger effect of childmarriage that is higher rates of witnessing to domestic violencefor thier children. The aim of this study was to investigation ofchildhood psychological traumas with marital harmony in womenwho had married as child.Method: The study population was consisted the two womengroups. First group was including the 50 women who had marriedbefore the ages of 18, whereas the second (namely, control)group was including the 50 of 87 women who had meets theinclusion criteria of our study and married after the ages of 18.Our participants were admitted to outpatient unit of Department ofGynecology and Obstetrics, Faculty of Medicine University of Diclefor the examination of routine pregnancy, between the months July2013 and august 2013, in Turkey.All participants were examined by a trained psychiatrist (with SCIDassessment). After then, the sociodemographic data form whichprepared by the study authors based on the sociodemographicfeatures of region, Arizona sexual experience scale (ASES), dyadicadjustment scale (DAS), and childhood trauma questionnaire (CTQ)were applied.Results: Dyadic cohesion (degree to which respondent and partnerparticipate in activities together) and affection expression (degreeto respondent agrees with partner regarding emotional affection)subscale scores were found significantly lower in the study group(respectively, p=0.015, p=0.003). Also, marital harmony wasmostly affected by the childhood traumas, age of marriage, ageof first pregnancy, sexual abuse and violence. We found thatthe scores of emotional (p=0.04) and physical abuse (p=0.035)subscales in CTQ were significantly higher in study group thanthe control group. Also, we found that the sexual and physicalviolence were significantly higher in study group than the controlgroup, particularly during the early years of marriage (respectively,p=0.007, p=0.001). The sexual desire, sexual arousal and ASEStotal scores were significantly different among the three groups(respectively, p=0.012, p=0.034, p=0.048).Conclusions: As far as we know that, our study is the first studyfor evaluating in a combination of the childhood trauma, sexualfunctionality, and marital harmony in the child marriage. We foundhere; marital harmony was significantly impaired in child marriage.Particularly, it was determined that the childhood traumas, marriedin early ages, sexual abuse and violence with become pregnantas a child.Consequently, we demonstrated that childhood marriage wassignificantly associated with higher rate of emotional abuse,physical and sexual violence. Also, sexual functions were mostlyimpaired in women who had married in childhood.