There is no risk involved in preserving fertility. Simply, what we are going to do is freeze eggs or freeze sperm, because fertility preservation can be for both the male and the female.
Sometimes it can be a little bit difficult to get eggs out. In a woman who has a lot of adhesions that are excessively thick, or whose ovaries are distant, or due to certain health conditions of the patient.
For preserving fertility in males, since it is with normal ejaculates, there is no difficulty at all. When we are going to preserve the fertility of a male who, perhaps, we need a testicular biopsy because he has no spermatozoa, then the risk of the surgical intervention is high.
Generally, these are very simple procedures, very easy to perform, and the professionals who perform them are very accustomed to them, and they will rarely have any type of complication.
