Results: Of 15 patients, 9 (60%) were with advanced maternal age, 8 (53%) were primipara, and 9 (60%) attacked during the third trimester.

• 结果：计15例孕妇罹患眩晕，其中9例（60%25）为高龄产妇，8例（53%25）属于初产妇，第三周产期发作者佔9例（60%25）。