Mood changes
Irregular bleeding
Severe complications, like perforation, are rare and only seen in cases where IUDs are placed improperly or in the case of undiagnosed infection, Chang says. However, even an IUD that is malpositioned or causes a small perforation can usually be removed with minor surgery and minimal risk for any long-term problems.
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Non-hormonal IUD
Non-hormonal IUDs do not contain levonorgestrel and are instead made of copper, which is thought to prevent pregnancy by interfering with sperm movement and preventing implantation, Chang says. Paragard is the only non-hormonal IUD option in the US.
Paragard lasts up to 12 years and is 99.9% effective at preventing pregnancy. Because it does not contain hormones, Paragard does not stop your period.