6dpo bfn but believe I am pregnant!

Hi all,

I'm new to this site and TTC, me and my partner of 4yrs have decided we would like to try for a baby and DTD on Saturday 19th and Monday 1st, I took a ovulation test wed 3rd as had cramping, body temp was high and it was positive. If this was right then I would have ovulated 3-5days after we DTD? 

I know it can be nearly impossible to have any symptoms during this time I'm now 6dpo today. However the symptoms I have had have been so different to any I have ever had before AF. 

So my cm is milky white and thick, has been since ovulation. I have had twingy cramps that are  short an often. Slight headaches, backaches since Sunday  (4dpo) and on this day(Sunday) I had a weird pulling/stretching feeling and pressure near diaphragm, extreme bloating, hungry all the time but easily full. Bellyaches, last 2 days slight nausea that goes away. Cranky, shooting pains around boobs and armpit, Lower back aches similar to PMS although with PMS this lasts one day and af shows following day..

Also yesterday i had a sudden sharp pain on right side of abdomen which nearly took my breathe away only lasting about 2seconds. I also had achy joints yesterday too, I'm trying not to symptom spot in case I'm imaginging it .. 

Oh and since about 2dpo I have had extreme tiredness like I have never experienced before. I know its too early to test but has anyone had these symptoms before bfp? Would love to hear others stories as I just have this feeling I am and I'm getting impatient! 

Any info would really help! Sorry for such a long post!