I would call the dr. they can give u a pill to start u. a hpt should show up by now. GL.
When you come off the pill, it can take a while for your cycle to regulate. It's normal for your cycle to be out of whack for a bit after the pill.
Since I came off the pill last June, my cycle is now on average 45 days. So I wouldn't fret just yet
Wait a couple more weeks and see if your period shows up. If nothing after a couple more weeks, I would go see your dr
Go have a chat to the doc and get a scan done, it best to know whats going on.