Cryopreservation may be done as oocyte cryopreservation before fertilisation, or as embryo cryopreservation following fertilisation. This portion wants added citations for verification. You should assistance enhance this short article by including citations to trusted resources in this section. Unsourced product could be challenged and taken out. (July 2020) (Find out https://lingeriebookmark.com/story8223986/about-in-vitro-fertilization