After fertilization of egg and sperm, the fertilized eggs will be cultured at the laboratory. The embryologist will carefully take care of the embryos. […]

Fundamentally, embryos can be frozen as long as the cryoprotectant solution is available. Studies found the longest embryo freezing period is 14-year storage. After thawing and transfer, using this 14-year frozen embryo can make a success as well. […]