Preimplantation genetic testing for monogenic disease (PGT-M) has become an effective method for providing couples with the opportunity of a pregnancy with a baby free of spinal muscular atrophy (SMA). Multiple displacement amplification (MDA) overcomes the innate dilemma of very limited genetic material available for PGT-M. | Preimplantation genetic testing for monogenic disease of spinal muscular atrophy by multiple displacement amplification: 11 unaffected livebirths