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Freezing of eggs helps maintain female fertility

Freezing of eggs helps maintain female fertility

"Beware, you will not be able to get pregnant late ..." What woman who has not got pregnant has never heard this phrase? Well-known female, this saying shows the concern of all with the relationship between age and female fertility. This is a growing concern.

It is no wonder that women need to fight for their personal and professional growth. But often, to study, work and have fun, is forced to postpone the growth of the family. In addition, some women do not always find an ideal partner at the right time or feel unprepared to have children when they find a partner.

In going through this situation, it is common for some doubts to begin to pass through the woman's head, as Until how old can I get pregnant? After what age does pregnancy become a risk? Why do I have so much difficulty getting pregnant?

The explanation for most of these questions is simple: the eggs, like the neurons, do not multiply after birth. Their numbers only reduce over the years, until they run out. Thus, the greater the age, the smaller the quantity and the worse the quality of the eggs.

Just to get an idea, the phase in which the woman has the most eggs is when she is still in her mother's womb, around of the fifth month of gestation. In this period, it has more than six million eggs. However, at birth, this amount has already dropped to about one million and, when menstruating for the first time, has stored in its ovaries, about 400 thousand eggs.

Menopause, which occurs on average at 52 years, reflects the end of a woman's ovarian reserve and means that she can no longer have children with her own eggs. However, well before that, there is a significant reduction in the chance of getting pregnant, as well as an increased risk of miscarriage, reducing your chance of having children.

The number of eggs only decreases over the years until it is exhausted.

Preservation of a woman's fertility

When a woman believes that she will exceed the safe limit for getting pregnant, she needs to know what options are available to her. have to preserve their fertility. Until recently, the only options women had to preserve their fertility were freezing embryos or freezing part of the ovary.

The first option, though well established, has a clear disadvantage: the need for a a partner willing to participate in the treatment or the choice of a semen donor, both of which may generate doubts and distress in the future.

The second option, the freezing of part of the ovary, presents as disadvantages the need for surgery for withdrawal of the tissue; the consequent reduction of the egg reserve during this procedure (a fact that we would be just trying to avoid) and the uncertainty that this frozen ovary could be used, since the success of this treatment has not yet been proven. a promising option: the freezing of eggs. This process, which was being developed for some time without success, gained momentum with the emergence of a new form of freezing called glazing. In this technique, the eggs are frozen with an extremely fast speed, which reduces the damages caused during the process.

The steps to perform vitrification are:

1- Stimulation of the ovaries with medications to obtain more eggs.

2- Capture of these ova. vaginal ovules (same as in In Vitro Fertilization treatments)

3- Evaluation of the quality of the collected ovules

4- Vitrification of the ova-

5- Maintenance of the eggs in liquid nitrogen for an indefinite period.

When (or if) the woman decides to use her eggs, these are thawed and fertilized with spermatozoa. The embryos formed are transferred into the uterus and the pregnancy test is done in approximately 11 days.

Obviously there are difficulties. The main thing is that this process, while giving a woman security, can not guarantee a certain pregnancy in the future. In addition, complications such as Ovarian Hyperstimulation Syndrome, a problem that can occur after the use of fertility drugs, can cause ovarian cysts in more severe cases.


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