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目的探讨阴道B超协助选择药流的最佳时机。方法通过阴道B超测定妊娠49d内的妊娠囊大小,监测其药流后的完全流产率、不全流产率、失败率、流血时间、流血量及副反应,探讨妊娠囊大小与药流的出血时间、出血量及完全流产率的关系,从而选择药流最佳时机。结果妊娠囊大小与药流的出血时间、出血量呈正相关关系;妊娠囊大小与完全流产率呈负相关关系。结论阴道B超可以测定比腹部B超更早更小的妊娠囊,可以帮助选择药流最佳时机。
Objective To explore the best timing for vaginal B-ultrasound to assist in selecting drug flow. Methods The gestational sac size was measured by vaginal ultrasonography in 49 days of gestation. The abortion rate, incomplete abortion rate, failure rate, bleeding time, blood loss and side effects after medical abortion were monitored. The gestational sac size, bleeding time of medical abortion and bleeding Volume and the relationship between complete abortion rate, thus choosing the best timing of drug flow. Results The size of gestational sac and bleeding time of medical abortion and the amount of bleeding showed a positive correlation. The size of gestational sac was negatively correlated with the rate of complete abortion. Conclusion Vaginal ultrasound B can be measured earlier than the abdominal ultrasound smaller gestational sac, which can help select the best time for medical abortion.