复发性自然流产(RSA)是指连续发生2次或2次以上流产者。RSA病因复杂,近年来研究发现其与遗传学因素密切相关,包括胚胎及流产夫妇染色体异常和单核苷酸多态性(SNP)等。现将近年来复发性自然流产的遗传学病因作一综述。 Recurrent spontaneous abortion (RSA) refers to two or more consecutive abortions. The causes of RSA are complicated. In recent years, studies have found that RSA is closely related to genetic factors, including chromosome abnormalities and single nucleotide polymorphisms (SNPs) in embryos and abortion couples. Now in recent years, the genetic etiology of recurrent spontaneous abortion to make a review.