1/3/2024 0 Comments Copper iudOther potential side effects doctors may associate with copper IUDs include: Some people may experience heavier bleeding and longer periods with a copper IUD. In the unlikely event that fertilization does occur, the copper IUD prevents the egg from implanting into the endometrium. Copper IUDs work by preventing sperm from reaching and fertilizing an egg. ![]() Unlike a hormonal IUD, a copper IUD does not prevent ovulation. The higher the levels of this hormone within the IUD, the more likely the user will experience lighter periods or no periods. The IUDs that work for the longest contain the largest amounts of levonorgestrel. They each contain the same kind of hormone but work for different lengths of time: Because levonorgestrel thins the endometrium, there is less of this material to shed so periods may be lighter and briefer periods.Īt present, there are four types of hormonal IUDs available in the United States. Periods occur when the endometrium sheds away and exits the body through the vagina. Hormonal IUDs can reduce period symptoms such as long lasting or heavy periods. ![]() The main mechanism of a levonorgestrel IUD is thickening the cervical mucus and thinning the endometrium. Preventing ovulation: Levonorgestrel may prevent the ovaries from releasing eggs, but it does not do this consistently.Ordinarily, this lining must thicken in preparation to receive and nourish a fertilized egg. ![]()
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