Cryopreservation is usually carried out as oocyte cryopreservation just before fertilisation, or as embryo cryopreservation soon after fertilisation. Encyclopaedia Britannica's editors oversee subject locations in which they've comprehensive knowledge, irrespective of whether from several years of knowledge attained by working on that material or by way of study for a https://naturalbookmarks.com/story18488655/in-vitro-fertilization-an-overview