药物避孕:避孕原理:抑制排卵、阻碍受精、阻碍着床适应证:健康的生育年龄妇女禁忌证:重要器官病变;血液.....
宫内节育器的并发症子宫穿孔、节育器异位(perforation ,mislocation of the IUD)感染(infection)节育器嵌顿或断裂节育器脱落....