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Oocyte cryopreservation for fertility preservation in girls whose fertility is expected to decline

Oocyte cryopreservation for fertility preservation in girls whose fertility is expected to decline - Oocyte cryopreservation for fertility preservation in girls whose fertility is expected to decline

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000052857
Enrollment
10
Registered
2023-11-21
Start date
2023-12-01
Completion date
Unknown
Last updated
2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Malignant disease, blood diseases, collagen diseases, Turner syndrome, ovarian tumors, and other diseases where ovarian reserve is expected to decline due to the underlying disease or treatment.

Interventions

None listed

Sponsors

St. Marianna University School of Medicine
Lead Sponsor

Eligibility

Sex/Gender
Female

Inclusion criteria

Inclusion criteria: Patients undergoing treatment that reduces fertility due to malignant diseases, blood disorders, collagen diseases, etc. In addition, patients who may have reduced fertility due to their constitution or disease, such as Turner syndrome.

Exclusion criteria

Exclusion criteria: If the attending physician deems it inappropriate If oocyte cryopreservation is judged to be dangerous due to poor physical condition, blood, or general condition. When the prognosis is extremely poor If the person and his or her family do not agree

Design outcomes

Primary

MeasureTime frame
Evaluate the number of oocytes retrieved, the number of mature oocytes, the number of pregnancies, and the patient's long-term ovarian reserve. The presence of ovarian hyperstimulation syndrome, infection and abnormal bleeding, and changes in mental status will also be evaluated.

Secondary

MeasureTime frame
Short-term and long-term ovarian reserve (AMH, FSH, E2, menstruation, etc.)

Countries

Japan

Contacts

Public ContactSeido Takae

St. Marianna University School of Medicine Department of Obstetrics and Gynecology

k-sienbu.mail@marianna-u.ac.jp044-977-8111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026