Two ultrasounds later, apparently the "cysts" on my right ovary are nothing other than proof I am ovulating. I appreciate that my GP was being cautious but I'm a little annoyed by the amount of intrusive wanding I had to endure to find this out. Ovulating was never my problem, it was the one-two of blocked tubes/hydrosalpinx and apparently some super crappy egg quality. Both possibly attributable to a bout of PID, according to my former RE.
I am now under the care of a realio trulio OBGYN, and next up on the diagnostic menu is a hysteroscopy. I have been a heavier and a longer bleeder since my miscarriage a few years back, and since nothing is showing up in bloods or ultrasounds to explain why I get a week of red and a week plus of brown every month, she's is going to go in for a lookaround and do a little "gentle scraping." Once again I wish I had not opted for the natural miscarriage route; it is possible I still have some retained products in there that are causing the trouble. Other possibilities include overgrown lining, precancerous stuff, fibroids (unlikely as nothing shows on ultrasound) or maybe just a ball of serpents. Since I already tell everyone my womb is full of serpents when they ask why we don't have kids, I'm hoping for that last one.
So two weeks to the hysteroscopy, then a week and a half later my husband and I depart on our fabulous international trip (vacation for me, workish for him). When we get back we get bizzy on the IVF, assuming I can find a new RE and figure out what my new insurance requires of us, and get appointments scheduled. Since by far the most stressful part of my last three rounds (other than the sad conclusion to the one pregnancy we did achieve) was dealing with bureaucracy and insurance, I'm taking a really deep breath right now. But lucky we at least have the insurance option, and making progress forwards, ever so slowly.
Thanks for all the lovely comments, all, and I'm sorry to have missed you fabulous UK ladies while I was there. It was an insanely jammed and short trip considering the distance. Next time I will be more leisurely.