But the current thinking is to forego any antibiotics unless there are abnormalities of heart function along with the MVP or complicated deliveries. In summary, Mitral Valve Prolapse for the most part poses no challenge in pregnancy, and its symptoms are even seen to improve. With the next beat, the same thing happens on the left side that happened initially on the right, the left atrial blood is pumped past the mitral valve into the left ventricle. And it all happens simultaneously. The star of the show is the left ventricle because it must have the contractile strength to eject its contents back out to the rest of the body where oxygen is needed.
Blood is pumped past the last valve of the heart, the aortic valve, into the aorta.
Just as there are failings of the mitral valve as described above, so there can also be problems with the other valves. Below I discuss such inadequacies only as they pertain to pregnancy. Abnormalities of three other valves, as well as some other points about the Mitral Valve, are now addressed in order of the trip around the heart. This is the valve that blood from the right atrium passes through to get to the right ventricle before going on to the lungs for oxygenation. Regurgitation is a cardiologist's term for leak-back into the previous chamber, in the case of the tricuspid valve, right ventricular blood backing up into the right atrium that fed it.