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【简答题】
30岁女性，顺产后4个月，哺乳，现月经复潮，希望选择阴道避孕环避孕。应告知患者阴道环使用注意事项正确的是A、阴道环是由雌激素与硅胶混合制成的缓释避孕系统 B、阴道环在月经干净后5天放入阴道，置于阴道后穹隆处 C、缓释阴道避孕环放入阴道内，可时取，简单方便 D、阴道环内的药物在乳汁中含量极少，因此是哺乳期妇女的首选避孕法 E、阴道环如变色应立即取出，否则会影响避孕效果 阴道避孕环属于下列节育措施，正确的是A、缓释避孕系统 B、工具避孕 C、外用杀精剂 D、屏障避孕 E、绝育 阴道避孕环的正确放置方法是A、月经前放置 B、放入阴道即可，下移至阴道外口也能发挥避孕作用 C、月经第5天放置于阴道深部或套在上 D、于性交前临置于上，性交后可取出 E、性交如感不适可取出，但6小时内需重新放入
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