Objective To investigate the feasibility of multiple displacement amplification(MDA) to apply in the non-invasive prenatal genetic diagnosis of Duchenne muscular dystrophy (DMD).

• 目的探讨多重置换扩增(multiple displacement amplification,MDA)方法应用到杜氏肌营养不良(Duchenne muscular dystrophy,DMD)的无创性产前基因诊断中的可行性。