不孕症是指婚后有正常性生活，未避孕同居期达（ ）。

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='30905' and id < 2486671 and id<>'2486671' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30905' and id > 2486671 and id<>'2486671' order by id asc limit 5