If the patient is the mother and has no significant symptoms or has symptoms that are controlled with medication, pregnancy can be considered, but requires an increased level of maternal and fetal screening and monitoring, with a focus on prevention of fetal bradycardia. Before deciding to have a child, the patient (mother or father) needs to be consulted by a geneticist to learn about the examination and care of the child after birth; if the patient is a mother and has a left ventricular outflow tract pressure difference greater than 50 mmHg, there is a relatively high risk of pregnancy in this case and frequent visits to the hospital are required for examination and evaluation; if the patient is a mother and has more severe heart failure symptoms If the patient is a mother with more severe heart failure symptoms, pregnancy is not recommended because of the great risk of pregnancy at this time.