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笔者应用B超观察准备药流的孕妇120例,并于服“含珠停”和“喜克溃”半个月左右B超复查,结果发现宫内孕囊最大径在2.0cm以内者,效果最好;孕囊最大径在2.1～2.6cm者,效果较差;孕囊最大径在2.7cm以上者,效果最差。因此认为,临床医师依据B超报告的孕囊大小选择终止妊娠的方法,是十分必要的,否则不但药流效果差,而且因药流带来的不必要危险也偶有发生。 资料与方法 120例孕妇年龄在18～41岁之间,平均年龄30岁,均因避孕失败,停经38～55天,并要求终止妊娠者。 采用SSD—620或EUB—420型B超检查仪,探头频率为3.5MHz,在下腹部正中作纵横等切面扫查。
The author applied B ultrasound observation of 120 cases of pregnant women preparing for medical abortion, and in the service “containing beads stop” and “Xi Ke collapse” B-ultrasound review and found that intrauterine gestational sac maximum diameter of 2.0cm or less, the effect is most Good; gestational sac diameter of 2.1 ~ 2.6cm, the effect is poor; gestational sac diameter of 2.7cm or more, the worst. Therefore, it is very necessary for clinicians to choose the termination of pregnancy according to the size of the gestational sac reported by ultrasound, otherwise, not only the effect of drug flow is poor, but also the unnecessary risk brought by the drug flow occurs occasionally. Materials and Methods 120 cases of pregnant women aged 18 to 41 years old, mean age 30 years, were contraception failure, menopause 38 to 55 days, and require termination of pregnancy. Using SSD-620 or EUB-420 B ultrasonic tester, probe frequency 3.5MHz, in the middle of the lower abdomen for vertical and horizontal section scanning.