原題:
[中西醫(yī)結(jié)合婦科學(xué)]哪一項(xiàng)可診斷為閉經(jīng)(  )

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選項(xiàng):
A.月經(jīng)來潮后又中斷3個(gè)月
B.月經(jīng)來潮后又中斷8個(gè)月
C.居經(jīng)
D.年滿l4周歲，月經(jīng)尚未來潮
E.49歲，月經(jīng)l年余未來潮
答案：
B