Abstract
Background:Breast cancer (BC) is the most prevalent cancer in Iranian women and the fifth most common cause of cancer-related death in Iran. Risk factors in the adult life may act during fetus life and after delivery. We conducted a case–control study to find out the relation of in utero and early life exposure and risk of BC. Methods:A structured questionnaire that covered demographic criteria and BC risk factors in utero was completed for case (732 cases) and control (584 subjects) groups, matched in terms of demographic variants, reproductive issues and socioeconomic status. Odds ratio (OR) and 95% confidence intervals (CI) were computed as measures of association from the logistic models. Results:Having been breast feed for more than 19-24 month (P<0.001, OR 0.03, CI 0.004-0.21) is protective and positive family history of mother (P-value= 0.009, OR 3.4) is a risk factor for BC in adult. Conclusion:There is increasing recognition that condition in utero is important for later risks in breast. Emerging evidence suggests an association between intrauterine status and women prenatal condition and their subsequent risk of developing breast cancer. this is the first Iranian study assessing prenatal factors and breast cancer risk in the EMR and it should be followed by the larger group of cases and controls in the future.
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Schedule a callMore From: Asian Pacific journal of cancer prevention : APJCP
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