Should I move on to IVF or do a third IUI?

My husband is 30 and I’m 28... been ttc for over 2 years with unexplained infertility. No issues found other than I might not be ovulating some cycles because they range from 28-43 days long... just had my second <a href="https://glowing.com/glow-fertility-program">iui</a> today but if this doesn’t work is it worth it to continue with another <a href="https://glowing.com/glow-fertility-program">iui</a> or just do <a href="https://glowing.com/glow-fertility-program">ivf</a>? (I also did two medicated timed intercourse cycles on Clomid)

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