原发性不孕症的定义是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='31204' and id < 2505436 and id<>'2505436' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='31204' and id > 2505436 and id<>'2505436' order by id asc limit 5