Okk..
I have same case i did upfront on january 27 and submitted e medical to ircc. They received it on Feb 28 after that ircc requested MR on feb 28 and march12.
I dont know what to do now....
I called them 3 time. They said that they got my emedical on 20th of feb and they wrote note to officer to link my medical.
I dont know what is going on