Period after nexplanon removal

How long did it take everyone to get their period back after nexplanon removal? It's been over 4 months since I had mine removed and have yet to anything. I even tried taking the pill for a month (after confirming that I wasn't pregnant) to see if it would help and still nothing. Zero period at all during the placebo pill week. This is my 2nd nexplanon and the first one I had removed my period started within a month of removal. I also had the first one in longer, so I'm confused as to why my body is reacting so differently this time around.

Anyone with similar experiences?