jīng / guò / yí / duàn / shí / jiān / de / zhì / liáo / tā / de / bù / yùn / zhèng / dé / dào / le / míng / xiǎn / gǎi / shàn

经过一段时间的治疗，她的不孕症得到了明显改善。

After a period of treatment, her infertility improved significantly.