I am due to start IUI in two weeks and feel very apprehensive but excited at the same time. We have been TTC for 3 years and have followed many alternative routes before deciding on IUI. I have had an HSG and it was clear. What I am unsure of is if we are unexplained and I have a regular 26 cycle, why am I being asked to take Clomid, I though it was primarily used for those with irregular cycles. Will it overactivate my ovaries?