It is common, especially in engineering applications, to represent the specific gas constant by the symbol R. In such cases, the universal gas constant is usually given a different symbol such as R to distinguish it.
If it is hormone incorporated iud like Mirena (levonorgestrel) you bleed few days from removal of iud (3-5) days but then you have hormone withdrwal bleeding for few days after iud removal which may last fdor 3-5 days. ...Read more. See 1 more doctor answer.
In rare cases, the uterus can be injured when the IUD is inserted. Side effects of all IUDs may include cramping or pain when the IUD is first inserted and spotting between periods for the first 3 to 6 months. Possible side effects of copper IUDs include heavier bleeding and stronger cramps during periods.