Abstract Background The choice of valve prosthesis in women planning a pregnancy is still controversial. The durability of biological prostheses and the characteristic thrombogenic of mechanical prostheses are limitations to the pregnancy’s successful Objectives: To study the pregnancy success rate after valve prosthesis implantation, and identify the variables related to maternal outcomes. Methods Prospective study with 78 pregnant women with bovine pericardial prosthesis (Group BP) and 50 with a mechanical prosthesis (Group MP), who received prior guidance on the risks […]