I really am not sure why FF says you Oed on CD16. In fact, I don't see much of a temp shift at all yet except for the open circles (which don't count, obviously). How long have you been charting? And you said you just started acu this month? I'm curious because I do acu also, but my cycles went from being too long to Oing at CD13-15. I have also been on meds, so that could very well be the change for me. I would make sure your acu knows what's going on as well as maybe mentioning to your doctor (though I doubt they'll do anything unless you hit 60 days w/o AF... though you had that +HPT, so maybe the call is warranted anyway?). I'm sorry this is so frustrating for you, but good luck and sending some O or AF or BFP dust your way!