植入前遗传学诊断(PGD)技术主要应用于面临妊娠遗传性疾病胎儿高风险的夫妇。遗传性疾病包括所有的单基因遗传病、X连锁隐性遗传病、染色体平衡易位等,避免或降低其因妊娠异常胎儿须面临的终止妊娠风险。目前PGD相对于其他的诊断技术,缺乏统一的规范和标准。欧美更多的地区开始为提供PGD检测的实验室实施认证。PGD因其费用昂贵、流程复杂、技术要求高,需要更严格的组织管理,包括适应证的严格控制。临 Preimplantation genetic diagnosis (PGD) techniques are mainly used in couples at high risk of fetus with gestational hereditary disorders. Hereditary diseases include all single-gene disease, X-linked recessive disease, chromosomal translocation and so on, to avoid or reduce the risk of termination of pregnancy due to abnormal pregnancy. PGD ​​relative to other diagnostic techniques, the lack of uniform norms and standards. More regions in Europe and the United States have started to certify laboratories that provide PGD testing. Due to its high cost, complicated processes and high technical requirements, PGD requires more stringent organizational management including strict control of indications. Pro