In august my period started on the 3rd and lasted only a day or so...my last period was around Sept. 6th and as of yet I haven't started. I took a pg test the wk of my missed period, and last week, both neg. I've been extra moody lately and snap at my husband for everything. My boobs feel heavier and are sometimes itchy, but I haven't noticed anything else. I have no health insurance so I can't really afford to go to the dr. Could I be pregnant?