NEW METHOD OF SUPERCOOLING FREEZING OF HUMAN OVARY OR HUMAN OVARIAN TISSUE FOR STABLY OBTAINING HUMAN MATURE OVA CONTRIBUTED TO INFERTILITY TREATMENT

摘要

PROBLEM TO BE SOLVED: To provide a new method of supercooling freezing of a human ovary or human ovarian tissue for stably obtaining human mature ova contributed to infertility treatment.SOLUTION: In the freezing method, a human sample to be frozen is kept under a supercooled state preferably at or below -5.0°C for a prescribed period of time.