前列腺素 E_2(PGE_2)系一种脂肪酸化合物,对妊娠子宫具有特殊兴奋作用,不同途径给药均能终止各期妊娠,国外曾有不少报告。我科所采用者系天津市药研所,用生物合成法试制品,试用结果较满意。本组自1973年9月至1974年3月共观察37例中期妊娠引产,计经产妇19例,初产妇 Prostaglandin E2 (PGE2) is a fatty acid compound that exerts a special stimulatory effect on the uterus of pregnancy. Various routes of administration can terminate all pregnancies. There have been many reports abroad. Our department is the Department of Tianjin Pharmaceutical Research Institute, biosynthetic test products, the trial results are more satisfactory. The group from September 1973 to March 1974 observed a total of 37 cases of mid-term pregnancy induced labor, in addition to 19 cases of maternal, primipara