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屏障避孕的作用原理是阻止具有受精能力的精子进入子宫腔内。现对目前国内外所用的最新的屏障避孕法综述如下(不包括传统的屏障避孕药具)。1屏障避孕药物(应用于临床及处于科研阶段的新型屏障避孕药物)1.1安芳欣:安芳欣是一种生物粘附缓释避孕乳胶剂,是90年代国际上发展的新型?
Barrier contraception is the role of principle is to prevent fertilization of sperm into the uterine cavity. The latest barrier contraceptive methods currently used both at home and abroad are summarized below (excluding traditional barrier contraceptives). 1 Barrier Contraceptives (New Barrier Contraceptives for Clinical Use and in Scientific Research) 1.1 An Fangxin: An Fangxin is a bioadhesive sustained-release contraceptive emulsion that is a new type developed internationally in the 1990s.