No, I don't understand it either, Shell. Very frustrating. It was a medicated cycle: oestradial to build up lining and progesterone to maintain it.
I have a suspicion that my endometrium not being as good as previous cycles may have to do with my weight loss - which I saw as a positive thing for the success of my fertility treatment. I have been keeping to around 1200 calories a day for the past two and a half months and although I feel much better for it, I think I should have increased my calories when I went on the oestradial. It didn't occur to me - if I was doing an own-egg cycle, I would have increased the calories for egg quality, but it just didn't occur to me. And although it was a bit thinner than previous cycles at 10mm it wasn't terrible, with a week to go. So yesterday was a bit of a shock.
Still. I've just received an email from the clinic to say that they have frozen four of the remaining embryos today, which means that of the 7 (my missing email explained this - you were quite right, Shell - they did originally say that they had collected 6 eggs, but that was the clinic receptionist and when I heard from the embryologist, she said there were 7) - 6 made it to transfer or freezing. Of the two I have on board, one is excellent and the other is not perfect, but of a quality where they have had successful pregnancies in the past. I haven't really had a chance to process it all yet - got home at 1.30 this morning, so I'm pretty exhausted!
Congratulations on brewing a great crop of follicles, Lil - sending you plumping thoughts
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Hope you've got the meds nailed, Flower
Sending don't-go-mad vibes to Icsi and Elbbob - this is the hardest bit - it really messes with your head.