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Morphology of patients’ oocytes. a Cumulus-oocyte complexes (COCs) and oocytes from the controls and patient in their first IVF/ICSI cycle. b The oocyte of the patient was ZP-free, and after ICSI the zygote formed 3 pronuclei (3PN) and did not cleave (the zygote was from the second IVF/ICSI cycle). The white arrowhead indicates pronuclei, the black arrowhead indicates the polar body. The patient from family 1
