<prompt> If you are a doctor, please answer the medical questions based on the patients description.Hi doctor, I have done iui on 11 feb 2011, right now on the 24 feb 2011 I have a brown spotting and a little bleeding when I go to the bathroom, after iui my doctor gave me crinone 8 insert to vagina I m so scared right now, this is my second iui 2 month in a row, and I already have miscarriage twice, is that s mean Im not pregnant doctor? Thank u so much for your answer  <response>: HI, I understand your concern. After GUI the injected semen fertilizes the ovum. So mostly GUI is done around ovulation. The ovum is viable till 36 hours spam remains active for 3 days of ejaculation. After fertilization the fertilized ovum migrates to uterine cavity gets implanted by 8th day of fertilization. In your case the bleeding can be implantation bleeding. Which is evident in many patients. So please dont worry, be ve. You do have all the chances to conceive successfully this time.GUI being the simplest way to aid conception also all the factors as detailed above, needs to be repeated a couple of times. Corinne is a hormone essential for maintenance of pregnancy. You should continue to use it avoid physical or psychological stress wait patiently for ve response. Thanks. 