Hi, I m 29 for this month of July, I have not started my period, iv never had a missed period, before on the 3rd-5th I had a small amount of dark discharge this was supposed to be the days I was fertile, my period was due on the 18th,( none) on the 23rd-29th iv been discharging a very small amount of brown discharge about 1 teaspoon. Tried a home hcg test came out (neg) worried.. . I have no, changes in my life, No meds, No dieating, No stress, No traveling, No exquisite exercise. iv also felt a small pulling everyother day in lower abdominal area.?