hello i am 29yrs old and i have irregular periods. my fiance and i have been trying to conceive for our second child, our first is nine years old. I had a period from july 4th to august 22 and have not had one since. i have been known to be late by a week or two but not by a month or more. Since then my fiance have had unprotected sex several times. two weeks ago i did a blood test, it came back negative and i still don't have a cycle. i cramp on and off like it is coming and then nothing...no spotting or anything. I got some acne a few weeks ago and then still nothing. i have pressure in my abdominal area and now i can't sleep on my stomach comfortablly, and been having awful headaches for the last week. what are the chances that i am pregnant and just tested too early?? or am i just wanting too much to be pregnant?