Assisted hatching is usually performed on day 3 of embryo culture whereby three small openings are drilled into the zona pellucida of the embryo with the aid of a laser beam.??lem sonras?nda, siz uyand?r?ld?ktan sonra ise tekrar embriyolog arac?l???yla toplanan yumurta skors? üzerine bilgilendirileceksiniz.Oocyte cryopreservation is also a viable