The ovarian reserve of every woman decreases with age. It is possible to estimate the ovarian reserve through antral follicles count and a hormonal profile that includes FSH, LH, E2 and Antimülleran hormone.

The ovarian reserve begins to decrease at 30 years old. It is recommended to do it before age 38. At younger age, greater quantity and better quality of eggs.

The treatment lasts approximately 10 days, starting with the menstrual period.

To obtain the eggs, a stimulation of the ovaries is performed, through the use of injectable drugs that are applied subcutaneously.

The purpose, is to obtain the development of several follicles in the same cycle. Once the appropriate follicular size is obtained, the last medication is administered to achieve the final maturation of the eggs. It is carry out a vaginal egg retrieval under ultrasound guidance. This is an ambulatory procedure, performed with anesthetic sedation.

The eggs can remain frozen throughout the woman's life.

First, the eggs must be unfrozen, then iIVF performs, and then transferred to the uterus.

It should be considered an experimental technique, although there are already children born worlwide.

It is advisable in cancer patients, depending on the type of tumor, age, and treatment to be performed. Nowadays, in prepubertal, patients it is the only technique.

The ovarian tissue should be frozen before performing chemotherapy. It does not require ovarian function, it can freeze prepubertal ovary, it can be performed immediately without delay and does not require stimulation or hormonal treatments.

However, it requires a laparoscopy, with the removal of an entire ovary.