Carrier screening: How important is carrier screening for thalassemia & spinal muscular atrophy?

Dr Shruti Bajaj addresses the nuances of a 'preventive genetic test', viz, Carrier Screening Test. Dr Bajaj explains lucidly; what are carriers, how can an affected child be born to asymptomatic/ normal parents and how the knowledge of carrier screening can help parents plan a healthy baby. The video stresses on the importance of carrier screening for thalassemia and spinal muscular atrophy, in particular.