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Any woman can recourse to this fertility preservation technique and request that her eggs be frozen. However, egg vitrification can be especially valid for:
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It is estimated that when a girl is born, her ovaries contain between 400,000 and one million eggs. From that moment, the number of ovules begins to decrease. The eggs contained in the ovaries form what we doctors call the ‘Ovarian Reserve’. This ovarian reserve decreases over time. In general, a woman’s fertility is closely linked to the ovarian reserve, such that the greater the ovarian reserve, the better the fertility. From the age of 35, the decrease in the ovarian reserve is more abrupt. It is estimated that at age 40 only 20% of women have a normal ovarian reserve. These are the women who potentially have normal fertility. In contrast, 10% of women at age 40 will have already gone through menopause (an early menopause). With menopause, the ovarian reserve is totally depleted. So the ovary does not produce more eggs than it already contains when the girl is born. So far, no way has been found to prevent the ovarian reserve from depleting over time. Therefore, a woman’s fertility is directly related to her age, and decreases significantly after the age of 35. We can’t predict when the ovarian reserve of a specific woman will be depleted (in other words, we cannot know how long a woman will maintain her fertility).
In order to be able to freeze the eggs, you must first get the ovaries to produce a sufficient number of eggs. For this reason, an ovulation induction treatment similar to that done in IVF is performed. It consists of administering a hormone (FSH) after the period, for a period of about 9 or 10 days. This hormone causes the ovaries to have multiple ovulation. The eggs are then retrieved through a egg retrieval (performed under sedation). Once extracted, the vitrification process begins. Once frozen, the eggs can be kept vitrified for many years.
Unfortunately, it is not possible to guarantee that a pregnancy will be achieved after freezing the ovules since the success of the future treatment depends on many factors: the quality of the eggs, the quality of the spermatozoa and the existence of other factors, problems (endometrial receptivity, etc). Currently, the pregnancy rates with in vitro fertilization using previously vitrified ovules are around 40-45% per attempt.
Start this unique process from now on, we help you throughout the process so that you feel comfortable and safe.