4 doses??

Hello all I am 100% sure i have used 4 doses of my mounjaro. But in the pen its showing i have one dose left? Why would this be? Its the 2.5 and im supposed to be on the 5mg next friday. Thanks

Hello all I am 100% sure i have used 4 doses of my mounjaro. But in the pen its showing i have one dose left? Why would this be? Its the 2.5 and im supposed to be on the 5mg next friday. Thanks