Hi! I've had IUI x 3 with clomid, and just finished a cycle of IUI with follistim. I got a BFN, so I don't know how many cycles until success, but a lot of people have success with injectibles. I was used to injecting myself with ovidrel (HCG) to force ovulation, so I had the injecting part down. The follistim comes in a pen, from which you dial up the right dose, inject, and push it in. It is pretty cool and very easy to learn. I was a bit overwhelmed when they were showing me, but when I tried it myself it went very smoothly. The quicker you can push the needle in the better, and the less you feel it. It takes some getting used to, but it will get easier, especially after the first poke! Have you had to inject yourself before? It is something I never thought I'd be able to do, but you surprise yourself. As far as side effects, I didn't find too many. I felt a little bloated toward the end of the stims, but they don't want too many follicles for IUI, so they really monitor closely to make sure you're not stimulating too quickly, etc. I also felt more emotional, but I think that it was psychological because it was another step of the whole TTC process, and it is stressful in general, you know?
They had me start at 100 iu a night, then after a few days decreased the dose because I was responding well and my estradiol level shot up very quickly.
I'm surprised that you are getting the HSG after an IUI because I thought they usually did it first to make sure the tubes are open. Otherwise, IUI won't work for you. Either way, that is good you're getting it done!
So, for my injectible cycle, it was just the follistim every night, around the same time. I only injected for 7 days then I was ready to trigger. They very closely monitored everything, so I only had two follicles because my doc was being conservative. Our doc doesn't like inseminating with a lot of follicles, so he was extra cautious.
Anyway, I hope that helped. Any other questions and feel free to ask!