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世界各国于六十年代起即普遍开展了宫内节育器的研究和使用,我国自1957年开始应用,为了增强节育效果,对节育器的形状、大小及制作材料等进行了许多改进。目前多用不锈钢及塑料制成,为了便于观察节育器是否脱落及便于取出,有人在节育器上系以尼龙尾丝,为了能够在X线下显影,在塑料节育器内加入显影剂。1969年以来,为了提高避孕效果,在塑料节育器内加入孕激素,或在塑料节育器上缠铜丝。实践证明宫内节育器是一种安全、简便、经济、放置后避孕年限长,取出后不影响生育,受群众欢迎的节育措施。现就使用节育器的注意事项提出以下看法。
Since the 1960s, many countries in the world have carried out research and use of IUDs. Since 1957, China has started to apply IUDs. In order to enhance the effect of birth control, many improvements have been made in the shape, size and materials of IUDs. Mostly made of stainless steel and plastic, in order to facilitate the observation of the IUDs off and easy to remove, someone tied to the IUD nylon tail wire, in order to be able to X-ray imaging, the plastic IUD into the developer. Since 1969, progesterone has been added to plastic IUDs or copper wires have been placed on plastic IUDs in an attempt to improve the effectiveness of contraception. Practice has proved that IUD is a safe, simple, economical, after placing a long period of contraception, remove does not affect fertility, birth control by the masses. Ineffective use of the precautions now make the following observations.