Take a look at assisted reproductive technology using freezing

Infertility has long been considered one of the important medical issues which by the passage of time and advances of knowledge and technology, many therapeutic strategies have been acquired. In cases where there are no natural fertility methods, assisted reproductive technologies are used. Researchers believe that the most common methods of fertility preservation, such as :Ovarian cortex, oocyte and embryo cryopreservation , depends on several parameters, including: the type of problem and treatment, the infertility cause and also the patient's age and marital status. Nowadays with the advances of medical science, infertile women or women with high risk of diseases such as cancer or who for various reasons postponed childbearing age can maintain their fertility using cryopreservation methods including egg, embryo and ovarian cortex freezing. Using these methods will be different based on the cause of infertility, infertile women conditions or specific diseases or cancer,. During the last years, vitrification techniques have been introduced as a clinical practice which constantly being reviewed, compared and changed.