In Vitro Fertilization Embryo Freezers
Advanced Fertility Center of Chicago
Gurnee & Crystal Lake, Illinois

For "slow freezing" the embryos are frozen in small straws in a controlled rate freezer
For vitrification, a controlled rate freezer is not needed
After freezing by either method, straws are put in a liquid nitrogen tank for storage

The cryo area of our IVF lab
1: Liquid nitrogen supply tank
2: Backup embryo freezer
3: Main embryo freezer
4 & 5: Liquid nitrogen tanks for storing frozen embryos and sperm
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