Egg banking: Advances in cryopreservation increase availability of donor eggs, enhance reproductive options for women Human sperm banking is an accepted and readily available method of gamete cryopreservation for those who desire it and has been an option since the mid-1950s.1 The first successful in vitro fertilization (IVF) birth occurred in 1978,2 followed in 1984 by a birth from a cryopreserved embryo.3 Freezing of surplus embryos is an important adjunct to IVF in most countries, bringing tens of thousands of healthy babies into the world. PDF | 
