What is one indication for cesarean birth in women with cardiac disease?

The indication for cesarean birth in women with cardiac disease due to the use of warfarin therapy within 2 weeks of delivery is grounded in the significant risks associated with anticoagulation during labor and delivery. Warfarin is an anticoagulant that can lead to increased bleeding and is contraindicated in the peripartum period because it can affect both the mother and the fetus. Should a woman on warfarin go into labor, the potential for hemorrhage can be heightened due to the anticoagulation effects, necessitating a planned delivery method, such as a cesarean section, to minimize these risks and ensure the safety of both mother and baby.

In other scenarios presented, such as bicuspid aortic valve or mitral valve prolapse, these conditions can often be managed with careful monitoring and do not automatically necessitate cesarean delivery unless complicated by other factors. Marfan syndrome, while serious, does not indicate cesarean birth solely based on the presence of the condition with normal aortic size, as management strategies can vary and may not include surgical delivery. Thus, the appropriate approach to childbirth with significant relevant conditions is based on the risk factors involved, particularly in the context of anticoagulant therapy.