Delay in transfer

Hi I am scheduled for egg collection on Wed 21st Nov and just been informed by my clinic via email that it will be a FAE cycle which is 'Freeze All Embryos' due to high amount of follicles and oestregen present in blood to avoid OHSS (Ovarian Hyperstimulation) and transfer will be delayed. I've emailed them back to ask if this means I will have to wait until next month for transfer but they have closed for the evening. Has this happened to anyone before??