Yes, on the NHS, for example, the average waiting time for conventional egg donor programs is 3-5 years because there is a shortage of egg donors in the UK. However, with split egg donation, this period of time can be reduced by half.
Read the full article on: What is Egg Sharing in IVF? – Process Step by Step ( 44).

Andrea Rodrigo
B.Sc., M.Sc.
Bachelor's Degree in Biotechnology from the Polytechnic University of Valencia. Master's Degree in Biotechnology of Human Assisted Reproduction from the University of Valencia along with the Valencian Infertility Institute (IVI). Postgraduate course in Medical Genetics.