“…Reproduction and inheritance. The miscarriage rate for our patients was 19% before operation and 33% after operation, which is comparable to the miscarriage rate in the general population of 13.7% to 26.1% (7,8). In the second Natural History Study of Congenital Heart Defects (9), the miscarriage rate for women with aortic stenosis, pulmonary stenosis, or ventricular septal defect was 12.8%, 13.7%, and 21.1%, respectively.…”