I had gone for IUI 15 th day of my cycle. I have taken hcg shots for growing follicles. On my 26 th and 27 th day very light blood spots only one time per day. I thought it was period. After IUI taken tablet justifit300 sr progesterone tablets till 25 th day. Today is my 31 th day of cycle. I did not get the period. breasts are paining. cramping in lower abdomen. Could you please suggest me what is happening. Getting scaring to go for pregnancy test. As I was struggling for 7 years for pregnancy. This is first time IUI for me.