November 17, 2016 at 6:57 amMy temps have dropped off after having an ambiguous thermal shift a couple of weeks ago. However, my period hasn't started yet? I took a pregnancy test Monday (3 days early) and it was negative. I'm debating taking another one this morning...I know I was mouth breathing when I woke up this morning so I'm wondering if that's why I'm seeing the sudden drop in temperatures? I tested my thermometer later and it seems to be working.