采用节育环避孕，是我国广大有龄妇女避孕的一个简便、安全、成功率高的方法之一。大多数人放环后无不良反应，仅有少数出现阴道不规律流血及月经期延长，、月经量增多。但如对少数阴道流血者，不予治疗，引起慢性贫血、子宫内膜炎、盆腔炎等，不得以取环者并非少见，为了解决 Birth control contraception, contraception of the majority of women of all ages is a simple, safe, high success rate. Most people put the ring after no adverse reactions, only a small number of vaginal irregular bleeding and menstrual period, increased menstrual flow. However, such as a small number of vaginal bleeding, non-treatment, causing chronic anemia, endometritis, pelvic inflammatory disease, may not take the ring is not uncommon, in order to solve