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【摘 要】
：
Background:A higher frequency of spontaneous miscarriage has been observed in infertile couples,and there is a higher prevalence of infertility among patients w
【机 构】
：
Reproductive Medical Center, Department of Obstetrics and Gynecology, Peking University Third Hospit
【出 处】
：
中华医学杂志（英文版）
【发表日期】
：
2017年17期
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