Oocyte and embryos discarded in fertility treatment
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1)Following informed consent sufficient to participate in this research, document agreement by the patient's free will is obtained. 2)Oocyte immature oocytes that were discarded because the first polar body was not observed in the oocytes by the specified time on the day of egg retrieval, among the oocytes obtained from patients who egg retrieval for infertility treatment. 3)Embryo Embryos that had been vitrified and frozen for embryo transfer but were discarded.
Exclusion criteria
Exclusion criteria: 1)Patients who are judged inappropriate as research subjects by the research director or research co-investigator. 2)Oocyte Immature oocytes in which the first polar body is not observed by the next day after being discarded.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Oocyte: Survival rate after freezing and thawing Embryo: Survival rate after freeze-thaw | — |
Secondary
| Measure | Time frame |
|---|---|
| Embryo: Blastocyst arrival rate, good blastocyst rate | — |
Countries
Japan
Contacts
Mie university Center of of Advanced reproductive medicine , Mie Hospital