What is Egg-Freezing?
Human oocyte cryopreservation (also known as egg freezing) is a procedure that is done to preserve a woman’s eggs, where they are extracted, frozen and stored. The intention of this method is to facilitate pregnancy for those women who want to give birth in the future.
Who should consider it?
According to USC Fertility, egg freezing can be beneficial for a number of reasons. Women who should consider this fertility option are:
The Women who need or want to delay childbearing in order to pursue educational, career or other personal goals can go for egg freezing.
- Women diagnosed with cancer.
- Women with objections to storing frozen embryos for religious and/or moral reasons.
Is it Safe?
According to a survey about 5,000 babies have been born from frozen eggs. ” The largest published study of over 900 babies from frozen eggs showed no increased rate of birth defects when compared to the general population,” states USC.
When should Women Freeze their Eggs?
The numbers of women undergoing egg freezing procedure have been increased across the world over the past few years. The women who are getting treatment for cancer and planning for professional growth or any personal reason can go for egg freezing. According to a study, many women make a decision for freeze eggs for non-medical reasons, over 20% of the women in this research also had an underlying fertility or health issue affecting their decision to undergo the procedure. The health issues included endometriosis, PCOS, blocked fallopian tubes, as well as the perception of being at risk for premature menopause or serious illness. The women froze their eggs to avoid future regret, to hopefully enable themselves to become a mother at the right time, with the decision, and be a good mother to their healthy child.
How does Egg Freezing work?
Oocyte cryopreservation, or egg freezing, is a hot topic in fertility preservation. Nowadays, Women who undergo treatment for cancer or other treatment, during their fertile years may lose their fertility from radiation treatment or from the chemotherapy drugs. Egg freezing is one way to help preserve their ability to have a healthy child in the future. Women who want children, just not right now have an option to go for egg freezing.
In ovarian stimulation, the woman takes fertility medications to stimulate the growth and development of multiple follicles, which contain the eggs. The Fertility specialists carefully monitor patients to determine when the follicles are mature and the patient is ready for egg retrieval. Then the later woman is lightly sedated and specialists retrieve her mature eggs from the follicles in her ovaries, Then finally, Eggs are more fragile than embryos and sperm, The specialists use a special freezing protocol known as vitrification, which improves the freeze and thaw rates for eggs.
In vitrification, Vitrification is an ultra-rapid freezing process that transforms the liquids in each egg into a glass-like solid state. Vitrification prevents the formation of ice crystals that could damage the chromosomes in each egg. Once the patient is planning for the baby, then the frozen eggs are processed and inserted in the worm, there will be a regular checkup with the doctor, this egg freezing procedure can help millions to have a healthy baby in the later stage of their life.
What is involved in Egg Freezing?
In this procedure there are 3 stages first retrieving the eggs, freezing the eggs and using the frozen eggs. In Retrieving the egg freezing is the same as the first stage in the IVF cycle. The patient will be injected these hormones daily as instructed by the fertility specialist. In this stage, the patient has to visit the fertility clinic regularly for monitoring, to determine when the eggs are ready for retrieval, usually over a period of about two weeks. The eggs have persevered in the embryology lab and the best quality ones are selected and frozen. In cryopreservation tanks, the eggs are stored until they are ready to be used. In using the frozen eggs, if the patient decided to freeze the eggs, then later on they have to go for IVF treatment This involves thawing the eggs, fertilizing them with sperm using ICSI (intracytoplasmic sperm injection), and growing the embryos that are created for up to 5 days when the best embryo or embryos are chosen for transfer back into the uterus.
How long can the Eggs remain Frozen?
Fertility can be preserved, nothing compares to the peace of mind that comes from knowing that eggs will always be there if and when you need them to grow your family again. Usually, the temperature for egg freezing is 196 degrees Celsius. It is proven that Sperms are normally stored for a maximum of 10 years in the sperm bank and egg freezing does not result in any decrease in quality.
How many Eggs should a woman need the store to achieve a Pregnancy?
Egg thaw rates of 75%, fertilization rates of 75% are anticipated in women up to the age of 38 years. Thus, if 10 eggs are frozen, 7 are expected to survive, 5-6 are expected to fertilize and become the embryo. Usually, 3-4 embryos are transferred in women and it takes 10 eggs to be stored for each pregnancy attempt, so most of the women whose age is 38 or less can expect to harvest 10 to 20 eggs per cycle.