Overall, women who had ovulatory disorders had a significantly lower incidence of breast cancer than those who did not.

总的说来，排卵障碍妇女乳腺癌发病率与那些没有排卵障碍的妇女相比显著降低。

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Breast precancerous disease is a group of benign proliferative disorders which is correlated to breast cancer, the latter being the most common female cancer.

乳腺癌是女性中最常见的恶性肿瘤之一，而乳腺癌的癌前期疾病是一组与乳腺癌相关的良性增生性疾病。

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Breast precancerous disease is a group of benign proliferative disorders which is correlated to breast cancer, the latter being the most common female cancer.

乳腺癌是女性中最常见的恶性肿瘤之一，而乳腺癌的癌前期疾病是一组与乳腺癌相关的良性增生性疾病。

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