Slow growing follicles

Hi there

Im hoping its ok for me to jump in here and ask a question....

I started my new cycle on 2nd June (this is, well meant to be my first IUI cycle) starting taking my clomid day 2-6, had my first u/s and bloods on tuesday 14th. Follie on left was 14mm and follie on right was 10.7.
I was told to come back for another scan friday 17th for possible IUI on saturday (CD17). Left follie was still 14mm but right one was 15mm. They called me on friday arvo to say that I will need a repeat blood test this morning (monday - CD19) and possible IUI on wednesday - but I have just called and have been told to repeat the blood test on friday, and depending on what they say, I will most probably have a consult on monday to discuss what to do next cycle.....

That to me sounds like my FS doesnt think I am going to ovulate
This is only my second cycle on clomid, over 3 months (skipped the cycle in the middle due to personal/money issues) and I take 100mg - 2 tabs a night.

Has anyone else ever had slow growing follicles or their hormone levels just wont rise?
The last 4 cycles I have ovulated on day CD22, and CD22 is this wednesday, but if he is making me wait till friday CD24 am I running the risk of missing it all together?
I feel useless right now.

help!