World usage data is hard to come by but it was reported in a study of 23 countries that almost 42,000 frozen human<unk>  transfers were performed during 2001 in Europe.
Embryo cryopreservation
Fetal surgery
Egg donation
Embryo transfer
Semen cryopreservation
Ovarian tissue cryopreservation
Assisted reproductive technology
In vitro fertilisation