闭经诊断步骤中垂体兴奋试验注射LHRH 后1小时LH较前提高4倍，表示（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25956' and id < 2176894 and id<>'2176894' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25956' and id > 2176894 and id<>'2176894' order by id asc limit 5