Cryopreservation of Oocytes suits to those women whose ability to produce eggs in the future will be affected due to medical treatments for cancer etc. It helps those women who give more priority to their career than motherhood owing to which they do not want early motherhood. The standard freezing process is used and Oocytes are stored for them to freeze which can subsequently be used at the choice of women i.e. when she want to be pregnant.
Cryopreservation of Embryos refers to using embryos which are not used; for future use. The unused embryos are kept under -196 degree Celsius. It is because of this treatment which gives an opportunity to the woman to become pregnant which is possible after a failed attempt too. The possibility of becoming pregnant increases and is done with the help of computerized system created for the purpose of embryo freezing. It is always advised to go for more embryos.