A.月經(jīng)初潮年齡早 B.初次足月產(chǎn)年齡早 C.絕經(jīng)早 D.哺乳時(shí)間長(zhǎng) E.有乳腺癌家族史
A.0.5% B.1% C.1.5% D.2% E.2.5%
A.20% B.40% C.65.6% D.81.4% E.95%