I just got my medical request last week and my application was sent May 3rd.
I wouldn't be to concerned.
Look at the spreadsheet of applicants to see people's timelines: https://docs.google.com/spreadsheets/d/1Gm315tmNKWoywb7PwZBiE67fUmznYQrNhYVWXPXXJBw/edit#gid=373444486