Close pregnancy

Okay, my last period was on Sept. 15, 2009. It is now December 18, 2009 and I have missed my last 3 periods. I have gone for blood tests and urine tests for pregnancy and every single one has come back negative. I'm so confused! I mean I've been getting pregnancy symptoms like headaches, nausea,...

My period is three days late now, and I was having cramps like I was going to start it, but then it never came. I've been worried, because me & my boyfriend have had sex unprotected, using the pull out method, & I have been reading about the "pre " thing, & I'm worried I got pregnent by that, but I...

I'm 15 days late on my pieord, I've done 8 hpt and all come back negative. I have most of the pregnancy symptoms. Can someone help? Has anyone been in this position and been pregnant?

Hey my cpu won't let me close a window on the internet. Can someone please help me?

I'm rerouting the gas dryer vent piping so that it will inside the adjoining stud wall. At the top of the wall the vertical exhaust pipe will be within an inch or two of the horizontal running copper gas supply line. Question - is there a minimum distance that the metal dryer exhaust pipe must...