How Egg Freezes Work

Today we are going to do how egg freezing works.

How Egg Freezes Work

Many women are postponing motherhood for several reasons. Whether it is because you have not found the right person to build a family, because you do not feel prepared to raise a child, because of your health or because you want financial stability, having children after 40 or even 50 is not easy , but thanks to the science women can freeze their eggs.

Egg-freezing is soaring today, and many women who have already decided to postpone motherhood are preventing themselves and freezing their own so that in the future they can perform as mothers.

Even though you are past the age of getting pregnant, however, before freezing the eggs, it is important to know more about how this works.

What the freezing of Ova

There are many causes that lead women to freeze their eggs.

The most suitable ones to invest in this technique are those that wish to preserve their fertility.

This can be compromised by some health problem, ie women who have or have had cancer and at some point in life and have had to undergo strong treatments like chemotherapy and also women who have a history of early menopause in the family.


For being a procedure still new, having less than twenty years of existence and only 15 years that began in Brazil. Freezing of eggs may not have the expected result.

The major risks are complications in the surgery for the withdrawal of the eggs, that the fertilization can go wrong or that the hyperstimulation syndrome occurs.

This happens when the eggs respond exaggeratedly to the application of hormones producing a quantity of eggs much larger than expected.

Not to mention that older women are more likely to develop gestational diabetes and high blood pressure.

How the Entire Egg and Fertilization Process Happens – Step by Step

The woman takes hormones to induce ovulation, on average will be produced from 15 to 20 eggs.

When the woman is ovulating a transvaginal aspiration puncture is done to collect the eggs.

This process is done in a hospital with anesthesia, but it does not have a cut and lasts about 15 minutes.

The withdrawn eggs are immediately placed in liquid nitrogen at less than 196 ° C.

When the woman decides to conceive the eggs are thawed and an in vitro fertilization is done.

It happens as follows: through an injection the sperm collected from the partner are placed inside the egg.

It is expected to form the embryos in the laboratory, after a few days, the best quality embryos are chosen and placed inside the woman.

With ovarian freezing the woman has a 40% chance of getting pregnant.

The baby has the same chances of being born healthy as a natural pregnancy, when the cost of the full treatment is around 15 thousand reais, but may vary.