【摘要】 <正> 近年文献分析了若干因素与乳腺癌诊断年龄的关系。Woods等发现不曾生育而患乳腺癌妇女的诊断年龄比经产妇者的诊断年龄平均晚5.2年,并有随着产次增加平均诊断年龄提前的趋势,此后又发现生两个孩更多还原

【Abstract】 Interrelationships of parity and sex of baby to the age of breast cancer patients atdiagnosis were studied in 506 female patients with breast cancer in Tianjin. The mean ageat diagnosis in parous was 5.32 years younger than nulliparous women (P<0.001). Thesex of the first baby of patients with breast eancer had a little direct association with ageat diagnosis in these women. The sex of last child, however, was related to age atdiagnosis. The mean age at diagnosis in women with boys at last birth was 1.91 yearsyounger than in women with girls (P<0.05 ).更多还原