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吸宫术是终止早期妊娠的经典方法,吸宫前的宫颈扩张是最关键的步骤。机械性扩张容易引起宫颈损伤,尤其是对于年轻未产妇女。使宫颈成熟后软化易扩张,可减少宫颈损伤和子宫穿孔的危险。近来研究发现预防和治疗消化道溃疡的米索前列醇(PGE_1),对术前宫颈扩张有效。它具有稳定、易贮存而且经济的特点。妇科应用已显示其阴道置药比口服效果更好。
Respiratory aspiration is the classic method of termination of early pregnancy, cervical dilatation before aspiration is the most crucial steps. Mechanical expansion easily lead to cervical injury, especially for young women. To soften the cervix mature and easy to expand, can reduce the risk of cervical injury and uterine perforation. Recent studies have found that the prevention and treatment of peptic ulcer misoprostol (PGE_1), preoperative cervical dilation effective. It is stable, easy to store and economical. Gynecological applications have shown that vaginal drug delivery is better than oral.