Dondurulmu? embriyolar, kocakar? ve peder tasdik?yla 5 y?la derece saklanabiliyor. E?er süre uzat?lmak istenirse nezaret tasdik?yla uzat?labiliyor.Most of the loss occurs during embryo development. Up to 50% of fertilized eggs make it to the blastocyst stage, and the likelihood decreases with age.The modern scientific term "in vitro" refers to any