Hi Dr. I had an IVF cycle during july/august and it failec. Once i stopped the progesteron and estrophem i had my period on 22 aug. And since then my period didnt come again. My dr. Asked me to take 2 pills per day of Duphaston and afterwards my period will come. Unfortunately since last monday i have been waiting for my period and nothing yet... I am worried... Can u help me understand what is happening with me? Thanks in advance