• What survival rates should we expect after freezing/thawing?

The number of spermcells surviving a freezing procedure can vary significantly between samples. Analyses on freezing/thawing donor samples however has shown average survival rates of between 65-70%. ("Survival" has been defined as the number of motile spermcells after thawing compared to the number of motile spermcells before freezing.)

• Can I use SpermCryoProtecII for TESE?

Yes you can, you don't have to add anything it's as easy as using SpermCryoProtecII with ejaculated sperm.

• Do I need to add egg-yolk to SpermCryoProtecII before use?

No you don't . SpermCryoProtecII is a ready to use freezing medium which doesn't require any additives. Just follow the instructions and your sperm will be safely frozen and thawed.

• Does SpermCryoProtecII contain antibiotics?

No, none of our products contains any antibiotics. Adding antibiotics would significantly reduce the shelf life of our products and could "mask" post-sterilisation contamination of the product

Human Products