Ova Fertility and Women Care's blog

"What is cryopreservation?
Cryopreservation involves freezing and thawing of the cells, without affecting its viability. It is a well-established procedure in the IVF centres. This procedure involves placing the cells indefinitely in an inactive frozen state in liquid nitrogen at -196ºC. Upon requirement the cells are thawed and used for treatment.

Egg/Sperm/Embryo Freezing

Why freeze sperm/semen?
Semen cryopreservation is a simple procedure and it is done by rapid freezing and thawing method. Semen freezing is done in the following cases:

"Laser Assisted Hatching
Hatching is a crucial step in the process of implantation. Usually the embryos are protected by an outer covering or shell called the Zona pellucida. At the time of implantation, the zona thins out and the embryo hatch out of the shell and adhere to the womb. One of the reason for repeated IVF failure could be due to failure of the embryos to hatch out of the shell.

What is Assisted Hatching?