Comparison between two types of copper bearing intrauterine device cu375 and cu380ag regarding bleeding pattern: [randomized controlled trial]

ABSTRACT

Background: The complications of IUDs are abnormal uterine bleeding, dysmenorrhea, expulsion of the IUD or perforation of the uterus. Due to these complications, 5 to 15 percent of women will stop using the IUD during one year. The most common complication of using IUDs is bleeding that is the cause of 15 to 30 percent of the rejection and exclusion of copper IUDs by the users. Except for progesterone IUDs, all IUDs can lead 50-100 percent increase the amount of menstrual blood than before the insertion