Embryo Freezing or Egg Freezing is slowly gaining popularity among women who are undecided about getting pregnant. Cryopreservation or Embryo freezing is the process of preserving embryos before cooling them to very low temperatures. Cooling is done in the laboratory using specialized freezing equipment and then stored in liquid nitrogen for long periods.
When to opt for embryo freezing?
The objective is to have frozen embryos that can be thawed and transferred to a woman’s uterus for future use, without having to stimulate the ovaries to produce eggs. One may consider it, if one wants to use embryos in future IVF and ICSI cycles. If a person is undergoing medical treatment that may potentially affect the fertility, then also she may opt for embryo freezing. Few people also get their eggs freeze before going for sex change operation.Embryo freezing is increasingly becoming more and more comparable to success rates of using fresh embryos. According to studies, for women over 35 with high progesterone levels, frozen embryo transfers were 73% more likely to be successful than a fresh transfer.