Paragard, Mirena, and Liletta IUDs are the most effective types of emergency contraception. Data from the 1980s, now seemingly forgotten, showed that IUDs work primarily on inhibition of fertilization rather than implantation effects. Nonetheless, misperceptions regarding the IUDs mechanisms of action persist, with some websites stating IUDs are abortive agents. Do IUDs cause abortion? Let’s examine the evidence.
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