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.
I have been reading a lot of comments on when you should/could get your period after you get your IUD removed. But most of the women had their IUD for months even years. As for me I only had mine in for 4 days in February until I had to get it removed because I had all the side effects.