Hi, I am 23 years old and I did sex last month on 28 october and next day I took I pill within 24 hours after a week I got brown discharge then normal bleeding for 4 to 5 days then I took pregnancy test on 16th november and that was negative but my periods date is 20 th november but I got my periods again on 17th november with brown discharge but now I am bleeding normal but I also have upper back pain and lower abdomen pain and leg pain also so please kindly help me. Am I pregnant or not.