| Recruiting | Hormonal Optimization: Late vs. Immediate Start After Discontinuation of Oral Contraceptives in Assisted Repro NCT07225660 | Shady Grove Fertility Reproductive Science Center | N/A |
| Recruiting | Long-term Evaluation of Fertility Preservation Options in Women in Cancer Remission or Haematological Patholog NCT07312058 | Centre Hospitalier Universitaire, Amiens | — |
| Recruiting | Surgical and Obstetric Outcomes in Endometrial Adenocarcinoma and Atypical Endometrial Hyperplasia With Conser NCT07077876 | Fondazione Policlinico Universitario Agostino Gemelli IRCCS | — |
| Recruiting | PPOS (Progestin Primed Ovarian Stimulation) and Corifollitropin Alfa (CFA) Cross-over Study NCT06175832 | University Hospital, Ghent | Phase 4 |
| Not Yet Recruiting | Clinical Studies of Endometrial Cytology and Cervical Methylation Assays in Endometrial Cancer Screening and F NCT06672341 | Yulan Ren | — |
| Not Yet Recruiting | Fertility Sparing Therapy for Patients With Stage IA G2 Endometrial Cancer NCT06468215 | Peking University People's Hospital | N/A |
| Recruiting | Neoadjuvant Chemotherapy Plus Camrelizumab for FIGO Stage IB1 Cervical Cancer NCT06289062 | Tongji Hospital | Phase 2 |
| Not Yet Recruiting | FSH and LH Versus FSH Alone for Ovarian Stimulation in Non-hormone Sensitive Onco-fertility Patients NCT06227949 | Ellen Greenblatt | Phase 3 |
| Unknown | Vitrification of Oocytes Matured by CAPA-IVM NCT06157619 | Centro de Fertilidad y Reproducción Asistida, Peru | — |
| Recruiting | Impact of Gonadotoxic Therapies on Fertility NCT05885048 | Michael von Wolff | — |
| Unknown | The Determinants of Fertility Preservation in TRANSgender Patients. NCT06074796 | Central Hospital, Nancy, France | — |
| Completed | Correlation of Oxidative Stress and Oocyte Quality in Fertility Preservation NCT05372549 | Clinique Ovo | N/A |
| Recruiting | Evaluation of a Telehealth Oncofertility Care Intervention in Adolescent and Young Adult Cancer Patients NCT05443737 | University of California, San Diego | Phase 3 |
| Unknown | Advisory Board on Cancer, Infertility and Pregnancy NCT04904263 | University Hospital, Gasthuisberg | — |
| Completed | Web-based Oncofertility Support Tool for Reproductive-age Women With Breast Cancer NCT05100498 | Mackay Medical College | N/A |
| Completed | Testicular Elastography for Microscopic Testicular Sperm Extraction NCT06524258 | Uşak University | N/A |
| Completed | Fertility Desires and Reproductive Needs of Transgender People NCT03836027 | Central Hospital, Nancy, France | — |
| Completed | Decisions of Young Women With Breast Cancer Regarding Fertility Preservation Before Cancer Treatment and Famil NCT03817814 | Memorial Sloan Kettering Cancer Center | — |
| Unknown | Micro RNA Profile in the Ovarian Follicle Fluid of Transgender Men NCT03725280 | Tel-Aviv Sourasky Medical Center | — |
| Active Not Recruiting | Preservation of Ovarian Cortex Tissue in Girls With Turner Syndrome NCT03381300 | Radboud University Medical Center | N/A |
| Suspended | Ovarian Tissue Cryopreservation for Fertility Preservation in Girls and Women NCT05434936 | Baylor College of Medicine | N/A |
| Recruiting | Fertility-sparing Therapy for Patients With Stage IA Endometrial Cancer NCT05945407 | Peking University People's Hospital | N/A |
| Unknown | Contamination of Ovarian Tissue by RT-PCR in Participants With Solid Tumors NCT02400827 | University Hospital, Clermont-Ferrand | — |
| Unknown | Contamination of Testicle Tissue by RT-PCR in Participants With Solid Tumors NCT02400970 | University Hospital, Clermont-Ferrand | — |
| Unknown | Evaluation of Priming Before in Vitro Maturation for Fertility Preservation in Breast Cancer Patients NCT03954197 | Hôpital Jean Verdier | N/A |
| Recruiting | AMH as a Predictor of Infertility Risk in Children With Cancer (CHANCE) NCT02595255 | Erasme University Hospital | — |
| Recruiting | PREgnancy and FERtility Registry NCT02895165 | IRCCS Azienda Ospedaliera Universitaria San Martino - IST Istituto Nazionale per la Ricerca sul Cancro, Genoa, Italy | — |
| Completed | Evolutive Potential of Embryos Obtained From Oocytes After Luteal Phase Ovarian Stimulation NCT01645241 | Fundacion Dexeus | N/A |
| Completed | Oocyte Vitrification for In Vitro Fertilization (IVF) Patients and Women With Fertility Threatening Conditions NCT01448460 | University of Louisville | — |
| Completed | Oocyte Cryopreservation NCT01696786 | Weill Medical College of Cornell University | N/A |
| Unknown | Improving Human Ovarian Transplantation NCT00827476 | Hadassah Medical Organization | EARLY_Phase 1 |
| Completed | PROtecting Ovaries and Fertility During Chemotherapy - The PROOF Trial NCT00380406 | Ottawa Hospital Research Institute | Phase 3 |
| Completed | Efficiency of Gonadotropin-releasing Hormone (GnRH) Agonist in Preventing Chemotherapy Induced Ovarian Failure NCT01160315 | Erasme University Hospital | Phase 2 / Phase 3 |
| Recruiting | Cryopreservation of Ovarian Tissue NCT01558544 | Weill Medical College of Cornell University | N/A |