若月经周期是25天，估计排卵应在月经周 期的

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31781' and id < 2540911 and id<>'2540911' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31781' and id > 2540911 and id<>'2540911' order by id asc limit 5