产后子宫颈完全恢复到非孕时形态所需要 的时间为（ ）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='25957' and id < 2176996 and id<>'2176996' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='25957' and id > 2176996 and id<>'2176996' order by id asc limit 5