I know I conceived on the 8 of September my last menstrual period was on Aug 22 thru august 28, by calculating how far long am I, it says they count since the last day of period which says I'm 2 weeks and 3 days, but in my point of view I conceived on the 8th and feeling symptoms as well so I say I'm 3 days....which one is the correct due date? Is it possible if I buy a pregnancy test (the dollar kind) it will show already or not? I'm so confused...I need your ladies opinions....help please!!!