obstetric analgesia

• 分娩镇痛

obstetric analgesia的用法和样例：

例句

1. It is the better concentration of ropivacaine used for labor analgesia.
   是硬膜外分娩镇痛较为理想的药物浓度。
2. As a new subjcct, there has been no teaching syllabus and schoolbook, there are many focuses of debate in labor analgesia.
   摘要分娩镇痛是一门新兴学科，尚无现成的教学大纲和教科书，也有许多争义的焦点。