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单次剂量肌内注射氨甲喋呤（ＭＴＸ）治疗早期异位妊娠的方法已在全世界广泛地应用。这种方法到底有多少优缺点？它的成功率是多少？其并发症和副作用又占多少？在使用过程中，如何辩证地应用ＭＴＸ，这是大家都关心的一个问题。本文作者复习了１９６８～１９９７年的英语语种
A single dose of methotrexate (MTX) for the treatment of early ectopic pregnancy has been widely used throughout the world. How many advantages and disadvantages of this method in the end? What is its success rate? What are the complications and side effects? How to apply MTX dialectically during the course of use is a question everyone cares about. The author reviews the English language of 1968-1997