A comparative randomized clinical trial was carried out between two uterine cavity shaped IUDs: the copper-plated uterine cavity shaped IUD(UCDCu) and non-copper bearing uterine cavity shaped IUD(UCD). The IUDs were u...A comparative randomized clinical trial was carried out between two uterine cavity shaped IUDs: the copper-plated uterine cavity shaped IUD(UCDCu) and non-copper bearing uterine cavity shaped IUD(UCD). The IUDs were used by 1004 and 1005展开更多
文摘A comparative randomized clinical trial was carried out between two uterine cavity shaped IUDs: the copper-plated uterine cavity shaped IUD(UCDCu) and non-copper bearing uterine cavity shaped IUD(UCD). The IUDs were used by 1004 and 1005