多年来,国内外不少计划生育科研及临床工作者致力于抗早孕的研究,渴望能找到一些理想药物以替代人工流产术,现将主要抗早孕药物的应用介绍如下.一、前列腺素(PG)类似物已知用于抗早孕的主要有 PGE 和 PGF 族及其类似物.我国采用较广的为 PGF_类似物.自1976年以来,国外研制成 PGE 族类似物替代 PGF 族, Over the years, many family planning research and clinical workers at home and abroad committed to the study of anti-early pregnancy, eager to find some ideal drugs to replace abortion, now the main application of anti-early pregnancy drugs are described below. ) Analogues There are mainly PGE and PGF families and their analogues known to be used in anti-early pregnancy, and PGF-analogs are the most widely used in our country. Since 1976, PGE family analogues have been developed abroad to replace PGF family,