EMBRYO CYROPRESERVATION (FREEZING)

EMBRYO FREEZING - Infertility SolutionsOnly 2-3 embryos are advised to be transferred. Rest of the good quality embryos can be cryo preserved (frozen) if the couple desires. In case of failed IVF in the first cycle cryo preserved eggs offers a second chances of transfer without the need for ovarian stimulation and egg collection, PREGNANCY rate per thawed EMBRYO is approximately 10%

They can be stored for upto 5-10 years in liquid nitrogen at minus 196 degree Celsius. There is no indication that cryopreservation increases or decreases the rate of fetal  malformation as compared to pregnancies resulting as compared to pregnancies resulting from natural conception.