Use of Misoprostol in Case of Insertion Failure of Intrauterine Contraceptives

To assess the usefulnes sof misoprostol versus placebo (in a double-blind placebo controlled randomized clinical trial)to facilitate the insertion of copper-IUD and the levonorgestrel-releasing intrauterine system (LNG-IUS) in cases of failure due to cervical stenosis in either nulligravidas and parous women. Additionally to evaluate the side-effects of the misoprostol. The hypothesis is that misoprostol may be better than placebo.