An ideal contraceptive is one that that is highly effective, long acting, safe, easy to administer, not interfering with coitus and fully and immediately reversible. In addition, it should have non-contraceptive benefits. Progestogen-releasing intrauterine devices, especially one releasing levonorgestrel, fulfil many of these criteria. The contraceptive and non-contraceptive uses of the progesterone and the levonorgestrel releasing devices will be discussed in this review.
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