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复发性流产相关染色体异常问题 被引量:14

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摘要 复发性自然流产(recurrent spontaneous abor-tion,RSA)通常定义为连续2次或2次以上发生在妊娠20周之前或胎儿体重〈500g的妊娠产物或胎儿丢失[1]。大约5%育龄女性可发生,且随流产次数增加,复发风险增加。病因错综复杂,主要包括胚胎因素、遗传、解剖、内分泌、感染、血栓前状态、免疫、环境因素等。据报道,一半以上胚胎流产由于染色体异常引起[2]。
出处 《中国实用妇科与产科杂志》 CAS CSCD 北大核心 2015年第9期876-880,共5页 Chinese Journal of Practical Gynecology and Obstetrics
关键词 复发性流产 染色体异常 recurrent spontaneous abortion chromosome abnormality
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