Abstract
Objective To investigate the relationship between induced abortion and female breast cancer in Henan Province.Methods A case-control study method was used for 89 patients with histopathologically proved breast cancer and 93 healthy females.All data were collected with unified questionnaire and analyzed with chi-square test and multi-factor unconditioned Logistic regression analysis.Results Multi-factor unconditioned Logistic regression analysis showed that female with a history of induced abortion had higher risk of breast cancer.After adjustment of marital status,education level,body mass index,age at menarche and number of full-term birth,the OR was 1.31 (95% CI:0.93-1.89).Conclusions Induced abortion can increase the risk of breast cancer,and with the increase of induced abortion births,the OR value increased. Key words: Breast cancer; Induced abortion ; Case-control study
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