Ok. This is my first full month temping and I'm not sure what to do.
So I woke up at my normal temping time (5:30a) and realized that I was mouth breathing last night. (I've for some serious nasal congestion going on due to allergies.) I temped and got 97.34 which is my lowest temp to date.
I went back to sleep and woke 2 hours later (at 7:15a) hoping my mouth was shut but no- my mouth was still open. I temp anyway and get 97.83 which if I chart this it would indicate a huge spike, and along with watery CM yesterday and today might screw FF up to think I'm Oing today at CD9. (OPK was neg.)
Chart is in siggy. (Sorry I can't link for mobile as I'm on mobile right now, too.)
~* TTGP July Siggy Challenge: Reality/Guilty Pleasure TV *~
TTC #1 since June 2014

My Ovulation Chart
Re: Which temp to use?
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TTC#1 Jan 14
BFP! 17 Aug 2014 | EDD 26 April 15
My Ovulation Chart
BFP #1 4/10/12 D&C 6/5/12@ 12.5wks EDD 12/17/12
BFP #2 9/10/12 CP 9/19/12@ 5.5wks EDD 5/21/13
BFP# 3 12/3/12...Lukas James born 8/15/13
BFP# 4 8/4/14 EDD 4/13/15
I'd also use the first one if I were you - I wake numerous times at night and as long as I get 3 hours of sleep before temping I use that temp regardless of what time it is. I can still see the rise in my temp to confirm O, so it's never been an issue.
The important part is getting 3 hours of sleep first. Good luck!
http://FertilityFriend.com/home/2cdc10/
My Ovulation Chart