Coxsackie B virus infection could affect the heart of pregnant women to a varying degree,the rate of cardiac arrhythmia was 70% and heart failure(8.57%).

• 柯萨奇病毒B型感染对孕产妇心脏有不同程度的影响；各种心律失常的发生率为70%25；严重心功能衰竭的发生率为8.；57%25。