经腹羊膜腔内注射利凡诺终止妊娠在我国使用普遍,适用的停经时间以孕16周以上为宣,若非医学指征则停经时间上限通常为24周。国内多年临床实践证明该方法安全、有效、简便、经济,终止妊娠成功率超过90%。目前国内外对于利凡诺引产失败尚无标准化方案出台,国内较为常用的方法是米索前列醇阴道给药行二次终止妊娠。本研究分析 Transvenous amiodarone rivanol termination of pregnancy is commonly used in our country, the applicable menopause time to declare more than 16 weeks of pregnancy, if not for medical indications, the upper limit of menopause is usually 24 weeks. Domestic years of clinical practice has proved that the method is safe, effective, simple, economical, termination of pregnancy more than 90% success rate. At present, there is no standardization scheme for rivanol induction of labor failure at home and abroad. The more common method in China is misoprostol vaginal delivery of the second termination of pregnancy. Analysis of this study