Hypertrophic cardiomyopathy is a congenital disorder that is autosomal dominant and hereditary. If one parent has hypertrophic cardiomyopathy and the gene is single, the probability of having a child with hypertrophic cardiomyopathy is 25%; if one parent has both autosomes with the hypertrophic cardiomyopathy gene, the probability of having a child with the disease is 100%; if both parents have hypertrophic cardiomyopathy and both are single, the probability of having a child with the disease is 75%.