Hi, I m 31yrs.old I have endometriosis.So my periods are irregular. Lately I ve been having a lot of crazy symptoms like nausea, headaches,extremely tired hot flashes,cramps,light discharges,sore breast,weight gain along with food cravings.I took 3 pregnancy test the 1st one was a faint positive and the other 2 were negitive.Could I still be pregnant???