黄体酮属孕激素类药物, 用于先兆流产、习惯性流产等。临床上应用已达半个世纪之久,给药途径为肌肉注射。由于油注射液长期使用,产生疼痛、结块,使患者不愿接受。近年来探索用其它途径代替注射给药,如阴道、直肠、舌下给药等。本文目的比较阴道给 Progestin progesterone drugs for the threatened abortion, habitual abortion and so on. Clinical application has reached half a century, the route of administration for intramuscular injection. As long-term use of oil injection, resulting in pain, caking, so that patients do not want to accept. In recent years to explore the use of alternative routes for injection, such as vaginal, rectal, sublingual administration. This article aims to compare the vagina