Okay, so I just started charting BBT this morning. I've heard that you should use a BBT thermometer, but I've also heard that you can use a regular thermometer, as long as it has 00.0* instead of 00*. Anyone out there who uses a regular thermometer?? I'm trying to save 8 bucks if I don't need to use a BBT. If so, I'm going to Walmart tonight.
TIA!!
