What do I do?

So I was recently diagnosed with mild pcos and but on metformin. I was told for the first week take 1 500mg and for the second week take 2 500mg and the third week take 3 500mg tablets.

My periods have always been roughly 33 to 35 days instead of 28 days and would last about a week. Last Wednesday I got the first Pfizer shot due to me starting a new job that requires it. Them my husband and I tested positive for Covid.

Well my period was due on the 28th this month it ended up starting on the 23rd. And like I said it usually lasts a week it has only lasted 4 days. My doctor told me I need to also start letrozole day 3 of my period to day 7.

I don't know if I should call my doctor and tell them my period ended or if I just keep taking the meds for the remaining of time like I have my period or what to do.

Help 😭😭😫😫