Clomid can cause false positives on OPK's if you do it soon after so that may be why you got a dark line on CD11. So from your mm size on the follicles I'd say you're still waiting to O

(but even if you don't, depending what course of action they can trigger too so you'll have a few options)

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Mar. '08 - 1st IUI ,
Apr. '08 - clomid, IUI
May '08 last clomid run, IUI (clear HSG)
Jun. '08 - 1st IUI w/ follitism
July '08 - 2nd IUI w/ follitism