Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Interventional
Official Title: Tamoxifen to Reduce Unscheduled Bleeding in New Users of the Levonorgestrel-releasing Intrauterine System (LNG-IUS)
Brief Summary: This study evaluates the ability of tamoxifen to improve frequent or prolonged bleeding in new users of the 52mg levonorgestrel-releasing intrauterine device. Half of participants will receive a course of tamoxifen three weeks after insertion of the IUD, while the other half of participants will receive a course of placebo.