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The Science Behind The Copper IUD: How Does Metal Work for Birth Control?

  Most forms of birth control, in terms of understanding how they work, are fairly straightforward. Barrier methods like diaphragms and condoms physically prevent sperm from entering the uterus, and hormonal methods like birth control pills, NuvaRings, and Nexplanon administer dosages of hormones that disrupt ovulation. But there’s an outlier in the BC field: PARAGARD, also known as the copper IUD. It is different from its other T-shaped counterparts because it does not contain any hormones; copper is the contraceptive in this product. How does copper actually work to prevent pregnancy? Is this method as reliable as its hormone-based peers, like other IUDs and the Nexplanon implant? Medical mechanisms In a mechanism of action report by CooperSurgical, the company that makes the copper IUD, the pharmacology behind this birth control… Read more »