1DPO Maybe?

Took another OPK test today after work, around 5pm, and it was negative, no test line pretty much.  The pains I had earlier on this morning were on and off throughout the day.  As well now it feels like I have ben doing sit-ups for an hour.  My waking body temp has been the same 97.5 for the last two mornings, and if I did ovulate today my temp should go up tomorrow.  I tried to check my cervix again today, it seems softer than the last time, but not too sure.  Tomorrow I need to take a break from Baby and Bump site, and other baby sties as I am getting behind in my school work.  Since I spend all my time there, it might be hard.  No other symptoms yet as well.