BFP and BFN? Why is it sooo confusing (Sorry its long)?

Hello =]
Im going to put this as simple as i can because people don't seem to be understanding me=[
I took a pregnancy testing this morning after having several very faint BFP that be all appeared with in the time cut back, however they have not gotten darker. So i thought i would take a clearblue digital...Just so i wouldn't hold to look at any more lines! No surprise 'Not Pregnant' which broke my heart more than no line!
I was due on my period a couple of days ago, on the afternoon i was due i had the tiniest amount of spotting, no need for a tampon or anythin as it be only when i wipped (sorry TMI) then i had no spotting yesterday, however some more today which be still minimal with no need for tampons, and to be honest everything felt a bit swollen down near.think i had been pokin around checking my cervix and stuff for signs of AF! I know its vile =[
Heres my question, Do you think i may of ovulated later than i thought? The test i have been getting slight positives on measure HCG at 10mIU, and the clearblue standard 25mIU.
I have added my chart, so please let me know what you think. =]
http://www.fertilityfriend.com/home/260b…
Also my nipples and areola own got noticably bigger as well as my breasts being swollen, near huge green/blue veins that seem to 'framing' my nipples, which is not normal for ma around AF, and obviouslyi enjoy loads of other symptoms but can never be sure if they are in my head...God i sound crazy >=o}
Sorry this is sooo long i really appreciate your warning and answers tho, i mean that!
Thanks everyone .x Lotes of baby dust to every one wanting their BFP! .x
Answers:    I know these symptoms can drive any lady ttc crazy, i merely hate it.
I think u better take a blood exam , it would give u the definite answer.
I hope u r pregnant if that's what u really want .

Lot's of baby dust to u dear.

And plz hold on to us updated .
Trust the 10mIU... it is more sensitive than the 25mIU clearblue.

You probably just don't have enough hormone built up however.
I have heard of false negatives, but false positives are EXTREMELY unusual.

Congratulations Mommy!

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