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本文对98例早孕妇女药物流产的过程定期进行B起观察，结合临床分析声像图，结果显示：胚囊直径与出血持续时间呈正相关（r=0.31，P＜0．01）；服米非司酮后肢囊仍在正常生长，心管搏动正常存在，69．8％的对象胚囊形态正常；胶囊排出后，宫内残留组织声像图分四型：Ⅰ、Ⅱ型出血持续时间（7.2±1．1天和9.1±2.7天）与Ⅲ、Ⅳ型（18.1±10．1天和17.9±9．7天）分别有显著性差异（P均小于0.05）。第15天声像图显示残留组织者，出血持续时间明显延长（P＜0.01）。结论：超声监测对提高药物流严质量，探讨失败原因以及研究和完善这一方法提供了声像学依据，具有重要意义。
In this paper, 98 cases of early pregnancy women during medical abortion were observed regularly B, combined with clinical analysis of sonograms, the results showed: embryo sac diameter and the duration of bleeding was positively correlated (r = 0.31, P <0.01) 69.8% of the embryos sac normal morphology; intrauterine residual tissue sonography after four types: Ⅰ, Ⅱ hemorrhage duration (7.2 ± 1.1 days and 9.1 ± 2.7 days) were significantly different from those of type Ⅲ and Ⅳ (18.1 ± 10.1 days and 17.9 ± 9.7 days respectively) (P <0.05). On the 15th day, the residual tissue was shown on the sonogram, and the duration of bleeding was significantly prolonged (P <0.01). Conclusion: Ultrasound monitoring is of great significance to improve the strict quality of drug flow, to explore the causes of failure and to study and improve this method.