Objietives To investigate (l)the relationship between reciprocal translocation and spotaneous abortion; (2) the frequency of genetic imbalance embryo in reciprocal translocation carriers.
目的 探讨染色体相互易位(reciprocal translocation)与自然流产(spotaneous abortion)的关系，并研究自然流产人群中相互易位携带者不平衡胚胎发生概率，为产前诊断(prenatal diagnosis)或胚胎植入前诊断(preimplantation genetic diagnosis,PGD)提供依据。