妇女在妊娠、分娩或者产后期间的死亡是由范围广泛的直接或者是间接原因所导致的。
Women die from a wide range of complications in pregnancy, childbirth or the postpartum period.
提示CSA发病可直接由颈部力学平衡失常所导致，交感神经激惹学说及机械压迫学说也参与CSA的形成。
It reveal that the cause of CSA can directly by mechanics balanced, the theory of sympathetic nerve by Irritabled and the theory of machinery oppress participate in forming of CSA.
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