„Social freezing“

Social oocyte freezing

Reproductive aging has become an important social and medical development. the trend to delay childbearing in modern societies to a much less fecund age often confronts women with difficulties to conceive. the aging of the ovary resulting in a decline in the total number of oocytes and in their quality cannot be undone. However, it often engenders unrealistic expectations of what modern fertili...

Social egg freezing: for better, not for worse.

The possibility for healthy women to cryopreserve their oocytes in order to counter future infertility has gained momentum in recent years. However, women tend to cryopreserve oocytes at an age that is suboptimal from a clinical point of view--in their late thirties--when both oocyte quantity and quality have already considerably diminished and success rates for eventually establishing a pregna...

Social egg freezing: risk, benefits and other considerations.

Social egg freezing: a reproductive chance or smoke and mirrors?

Autologous human oocyte cryopreservation allows storing woman’s eggs to be used later by the same donor when therapeutic or elective reasons induce women to postpone motherhood. In the case of non-medical motivation, this practice is termed social freezing. By shifting the awareness from a medical procedure to social relations, frozen oocytes are becoming polemic bio-objects, which pose new que...

18) Freezing Methods and Quality Loss at Freezing Temperatures

Feasibility will take into account whether it is possible to operate the freezer in tile plant location. A liquid nitrogen freezer (LNF), for instance, may be suitable in every respect for freezing the product and the high costs of using this method of freezing may be justified. However, if the location of the plant is such that there can be no guaranteed supply of liquid nitrogen, the freezer ...