Levonorgestrel subdermal implants (Norplant) consist of sets of 6 identical silicone rods, 2.2mm in diameter and 34mm long. The interiors of the rods contain levonorgestrel, 1 of the progestins ...
In summary, although most of the studies show no effect of Norplant, these studies were ... Progestogen-only implants do not appear to affect BMD and there is limited information on other ...
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