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Freezing of Sperm, Eggs and Embryos

After IVF or ICSI, if good quality embryos remain (besides those transferred), they can be cryopreserved (frozen) for later usage.
 The same method may be used to freeze sperm, in case the male wishes to preserve it to use afterwards. This process is advised, for instance, before vasectomy or chemotherapy.

Nowadays, it is also possible to freeze eggs in specific situations, such as before chemotherapy. The techniques associated with these treatments and their success rates have been constantly improving. This allows performing these treatments more regularly after some medical consideration.