抗早孕是避孕失败的一种补救措施也是避免负压人流并发症的一项重要手段。在国内,上医、北医、中山医院等应用 PGS 抗早孕以来,我院在芫花花醇对中期妊娠引产取得大量临床资料及效果的基础上,采用芫花花醇进行宫腔或羊膜腔给药抗早孕,观察 Anti-pregnancy is a contraceptive failure remedy is to avoid negative pressure flow complications is an important means. In China, the doctor, Beijing Medical University, Zhongshan Hospital and other applications of PGS anti-early pregnancy, our hospital in genkwanol on midwifery induction of labor to obtain a large number of clinical data and results based on the use of geraniol for intrauterine or amniotic drug delivery Anti-pregnancy, observation