关于孕期阴道脱落细胞学检查的意义，下列叙述正确的是（  ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25967' and id < 2178076 and id<>'2178076' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25967' and id > 2178076 and id<>'2178076' order by id asc limit 5