Pnm-4: Role of Hormonal Factors and Use ofContraceptive Pills on Breast Cancer

Background: Large part of research related to reInternational Journal of Fertility & Sterility (IJFS), Vol 4, Suppl 1, Summer 2010 94 productivefactors in breast cancer risk before and after menopause, a study case - control is that it factors in deliberate and spontaneous abortion in the two groups of women with breast cancer (cases) and non-infected women (control group) study, described odds ratio in women, breast cancer was measured. In this study, after recognizing the above factors in breast cancer risk in their separation, before menopause and after menopause were considered Materials and Methods: 500 cases referred to shohadaye Tajrish Hospital and cancer Institute of Imam Khomeini hospital that they 250 premenopausal and 250 postmenopausal breast cancer patients were a select group method and continuous participation in the research was. The control group was composed of 500 persons during the study as visitor centers or with or referred to in the vicinity of group homes, women had lived in Tehran and sampling were selected in available or easy.Results: Employing logistic regression analysis and calculated the risk ratio findings showed that: The use of hormonal methods of contraception) p=0.036, OR=1.39), more than 25 years of age at the time of starting the tablets (p=0.052, OR=2.99 ) and less than 5 years from the last tablet from the time of diagnosis (OR=0.000, p=3.28) with breast cancer are connected. Conclusion: According to the findings can be concluded that taking contraceptive pills is own weak risk factor for breast cancer.