The mitral valve micro regurgitation of pregnant women generally do not need special treatment, usually do a good job of pregnancy and obstetric examination, there are abnormalities and then symptomatic treatment. The mitral valve is the valve between the left atrium and the left ventricle, mitral valve regurgitation, part of the arterial blood did not reach the aorta, but regurgitation to the left atrium, pregnant women just mitral valve micro regurgitation, will not affect the structure and function of the left atrium, there is no need for special treatment. Pregnant women with mitral valve micro regurgitation, the examination did not affect the structure of the heart, did not affect the function of the heart, do not need special treatment, the growth and development of the fetus will not be affected, and will not increase the degree of difficult labor. Pregnant women mitral valve without micro regurgitation usually have to do a good job of maternity examination during pregnancy, to find out about the intrauterine development of the fetus and the physical condition of the mother, 32 to 34 weeks of pregnancy, the body’s circulating blood volume increases, and the load on the heart increases, and during the period of time, you should also pay attention to the changes in the body. Pregnant women with mitral valve micro regurgitation, usually pay more attention to rest, try to avoid doing strenuous exercise exercise or do too heavy physical labor work.