Prescrire Int. 2007 Dec;16(92):248-9.
Cases of uterine perforation have been reported with levonorgestrel-releasing intrauterine devices, possibly linked to their large size; the incidence seems to be similar to that observed with non-drug intrauterine devices.
有报道称,含左炔诺孕酮宫内节育器会出现子宫穿孔病例,这可能与其尺寸较大有关;其发生率似乎与非药物宫内节育器观察到的发生率相似。