"AF" arrived today (12 DP IUI). So that's that. We're going right into IUI #5. I can't believe I'm typing that - I long for the naive days when I thought I'd conceive on my first or second IUI. This will be our last IUI of the year. If we get lucky, it will work. If not, we'll try naturally (which is a joke at this point) till the new year, then re-evaluate at that time. It's looking like IVF may be in the cards for next year. My first monitoring appointment will be Wednesday.