论文部分内容阅读
世界卫生组织(WH0)在19个中心试验了最新设计的阴道环,看来此环具有安全性、有效性和总体上的可接受性。此环是用硅橡胶制成的,大小为55·6×8·5毫米,含有5毫克左-乙基炔诺酮,以每天20微克的速率在体内释放。含有作用药物的环芯包在硅橡胶膜中,整个环重量仅13克。一种型号所有的人都能用,经护士训练后,妇女能自己安放此环,方法与阴道隔膜相似,不同之处是此环无需堵住子宫颈,只要尽可能地放在阴道上部即可。此环可在阴道留置3个月,使宫颈粘液持续呈精子不能穿过的孕激素型,从而能极大地发
The World Health Organization (WH0) tested the newly designed vaginal ring in 19 centers and it appears safe, effective and generally acceptable. This ring is made of silicone rubber and has a size of 55 · 6 × 8.5 · 5 mm and contains 5 mg of left-ethyl norethindrone and is released in vivo at a rate of 20 μg per day. The ring containing the drug is encased in a silicone rubber membrane that weighs only 13 grams. A model of all people can use, after nurse training, women can place this ring, the method is similar to the vaginal diaphragm, the difference is that this ring without plugging the cervix, as long as possible on the upper part of the vagina can . This ring can be left in the vagina for 3 months, so that cervical mucus can not continue through the sperm progesterone type, which can greatly hair