@tuxcat i would keep the RPA appt of it has taken you so long to get it. Can you discuss your options at both clinics and then decide on which cycle you would feel more positive about?
AFM I just got a 4 day update on my 2 remaining embies. They are still "slow" and are considered behind but i can't believe they are still kicking on. Fingers crossed they make it through until day 5 tomorrow and can be refrozen.