Mitral insufficiency can be caused by dilation of the left heart, often a consequence of heart failure. In these cases the left ventricle of the heart becomes enlarged and causes displacement of the attached papillary muscles, which control the mitral valve.
Inducing labor can take a few hours or as long as 2 or 3 days. It depends on how your body responds to your treatment. Inducing labor may take longer if youâre pregnant for the first time or if your baby is less than 37 weeks.
During this phase the baby descends through the pelvis, down through the birth canal and crowns on the perineum. Pushing may last anywhere from 15 minutes to two hours on average. The third stage of labor is the delivery of the placenta. This may happen anywhere from 15 minutes to an hour after the baby is born.