***FertiPro will stop the production of EmbryoFreeze by the end of 2020. The technique of slow freezing can no longer be considered as ‘state-of-the-art’.

EmbryoThaw will remain on the market for a while, however, this product will not be available as from the 1st of October 2023.  ***

Medium for freezing human embryos

EmbryoFreeze and EmbryoThaw media are PBS/propanediol based cell culture media for freezing and thawing human embryos. These media can be used with 2PN up to 4-cell stage human embryos.

Currently only 1 type of kit is available:

  • a three step thawing only kit

Information about the composition of the product can be found in the material safety data sheet.


Europe: CE-marked

Product order codes

EMF40_T_P : EmbryoThaw with propanediol – 40 procedures

pH 7.2-7.4
Osmolality EmbryoThaw 3 530-560mOsm/kg
Sterility Sterile
Endotoxine < 0.25 EU/mL
 Mouse embryo assay ≥ 80% blastocysts after 96h incubation
Shelf life 18 months from date of produce
Albumin FDA (USA) and EMA (Europe) compliant


EmbryoFreeze and EmbryoThaw are cryopreservation media for human, early stage embryos (slow freezing)

Instructions For Use
Material Safety Data Sheet