Hi, I am 25 yrs old married. my periods are 17 days late, still no clue. Having bad stomach pain, nausea ,backache, headache, tired. did many pregnancy tests all negative,blood tests. all are negative. feeling so sick and bad. yesterday was my ultrasound ,will get result on Saturday. today got positive h.pylori ab. i dnt know what to do??? shoud i wait...i might be pregnant??? Dr. said may be because of less blood i didnt had periods. its damn confusing. plz help