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带宫内避孕环系常用之节育措施,不正常子宫出血系常见之并发症。本文旨在研究发生出血的机制,提出改进意见,以利于带环妇女的健康,提高带环率。本文对12例带不锈钢环后月经过多妇女的子宫内膜进行超微结构研究,与6例带环而月经正常的妇女对比,结合基础体温、血雌孕激素测定等资料加以讨论。研究结果表明:(1)带环不影响卵巢功能。(2)环周围区与远离区内膜发育的不同步可能是出血过多的重要原因。(3)选择大小适宜的环(宁小勿大)既提高避孕效果又避免出血过多。
Intrauterine contraceptive ring system commonly used birth control measures, abnormal uterine bleeding is a common complication. This paper aims to study the mechanism of bleeding occurs, put forward suggestions for improvement in order to facilitate the health of women with band, improve band rate. In this paper, 12 cases of women with endometriosis with stainless steel ring after the endometrial ultrastructure study, and 6 cases of women with ring and normal menstruation, combined with basal body temperature, serum estrogen and progesterone determination and other data to be discussed. The results show that: (1) band ring does not affect ovarian function. (2) Asynchrony around the zone of the ring and away from the membrane in the zone may be an important cause of excessive bleeding. (3) select the appropriate size of the ring (rather small not only increase the effectiveness of contraception but also avoid excessive bleeding.