I'm 20 years old. I used the AZO home urine test and I tested positive for Leukocytes two times but negative for Nitrates. I went to the doctor and she told me that their test says I don't have a urinary tract infection. I have pain/discomfort on my right side around my hip area and sometime on my right lower abdominal area. I guess you could call this pain in the flank area? Well they want me to go get a sonogram done to see if I have ovarian cysts. I got my period a little over a week ago and that is around the time when I started with these pains. I'm pretty sure it was my period it lasted around 4 days and it was pretty heavy, but I'm reading so much about some women getting heavy implantation bleeding around their period time. Can I be pregnant? I had sex with my boyfriend about a three weeks before my period only one time and I wasn't on birth control but we used a spermicidal condom. I am now on birth control again and i started it last sunday with my period. Would pregnancy cause pain only on one side? My sonogram is on Friday, if there is a possibility that I could be pregnant I would like to know beforehand because my mother will be there and I don't want her to get that news that way. Should I take a pregnancy test, or is it a ridiculous thought?