There is no minimum number of embryos for PGD. However, as it is an expensive procedure, couples who have obtained a low amount of embryos in a single cycle are advised to undergo more cycles in order for a higher number of embryos to be gathered (normally 5 or over) before PGD.
How many embryos are necessary for PGD?
By Andrea Rodrigo (embryologist).
Last Update: 11/09/2016
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.