40岁妇女闭经2年余，考虑为子宫性闭经， 必需的辅助检查方法是(       )

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27001' and id < 2240417 and id<>'2240417' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27001' and id > 2240417 and id<>'2240417' order by id asc limit 5