| Recruiting | Effect of Daily Intake of Gazpacho on Semen Quality and Oxidative Stress NCT07375238 | Ginefiv | N/A |
| Recruiting | A Novel Integrative Non-invasive Embryo Selection Approach for IVF Based on MK-RS Analysis NCT05896709 | Chinese University of Hong Kong | N/A |
| Unknown | The FLORA-project: in Search for the Microbial Cause of Chronic Endometritis and the Most Appropriate Treatmen NCT05337072 | Universitair Ziekenhuis Brussel | — |
| Active Not Recruiting | The Predictive Value of Progesterone NCT05876234 | University Hospital, Ghent | — |
| Recruiting | Fertility and the Microbiome NCT05328999 | Medical University of Graz | — |
| Recruiting | Oral Dydrogesterone as Luteal Phase Support in Natural Cycle FET NCT03859921 | The University of Hong Kong | Phase 3 |
| Unknown | Preimplantation Genetic Testing for Aneuploidy of Polar Bodies NCT04538560 | Reproductive & Genetic Hospital of CITIC-Xiangya | N/A |
| Completed | Hysteroscopic Septoplasty by Different Modalities NCT05802784 | Mansoura University Hospital | N/A |
| Unknown | BMI Effect on the Response to Ovulation Induction in Letrozole vs Clomid NCT04331197 | Cairo University | Phase 4 |
| Recruiting | GnRH Agonist for Dual Trigger in IVF and for Luteal Phase Support in FET NCT04064840 | The University of Hong Kong | Phase 3 |
| Completed | Letrozole in Stimulated IVF Cycles NCT02912988 | The University of Hong Kong | Phase 3 |
| Completed | Day 3 Fresh Transfer Followed by Day 3 or Day 5 Vitrification of Supernumerary Embryos NCT04196036 | Sophie Debrock | N/A |
| Completed | Hyperprolactinaemia Management in Reproductive Services at University Hospital of Coventry and Warwickshire NCT03569787 | University Hospitals Coventry and Warwickshire NHS Trust | — |
| Completed | BAP-EB as a Predictive Tool for Endometrial Receptivity and Pregnancy Outcome of IVF Treatment NCT02713854 | The University of Hong Kong | N/A |
| Completed | Comparison of the Number of Oocytes Obtained Between Chinese and Caucasian Women in IVF Treatment NCT02748278 | The University of Hong Kong | — |
| Completed | The Microbiome in Subfertility and Assisted Reproductive Technologies (ART) NCT03105453 | Universitair Ziekenhuis Brussel | — |
| Unknown | Effect of Intralipid Infusion in Patients With Recurrent Implantation Failure NCT02865785 | Ain Shams University | Phase 1 / Phase 2 |
| Unknown | Dehydroepiandrosterone Versus Growth Hormone in Women Undergoing ICSI With Expected Poor Ovarian Response NCT02736591 | Cairo University | Phase 3 |
| Unknown | Combined Dehydropeiandrosterone and Growth Hormone in Women With Expected Poor Ovarian Response Undergoing ICS NCT02766764 | Cairo University | Phase 4 |
| Completed | Hyaluronan-enriched Embryo Transfer Medium for Frozen-thawed Embryo Transfer NCT02725827 | The University of Hong Kong | N/A |
| Unknown | A Comparison of Letrozole and Clomifene Citrate NCT02647424 | The University of Hong Kong | N/A |
| Terminated | Clinical Effectiveness of Frozen Thawed Embryo Transfer Compared to Fresh Embryo Transfer NCT02570386 | The University of Hong Kong | N/A |
| Unknown | DHEA Versus Placebo in Women With Poor Ovarian Response NCT02561793 | Cairo University | Phase 3 |
| Unknown | Stimulated Versus Un-stimulated Intrauterine Insemination Cycles in Couples With Mild Male Factor Infertility NCT02469805 | Cairo University | Phase 3 |
| Unknown | Stimulated Versus Un-stimulated Intrauterine Insemination Cycles in Women With Endometriosis NCT02470169 | Cairo University | Phase 3 |
| Completed | Analgesia for Endometrial Scratching NCT02863614 | University of Sao Paulo | N/A |
| Completed | Why Subfertile Couples Drop Out NCT02302781 | Isala | — |
| Unknown | Effect of DHEA on Patients With Poor Ovarian Responds NCT02432248 | The Affiliated Hospital of Inner Mongolia Medical University | N/A |
| Completed | Evaluation of the Role of Follicular Sensitivity Index in the Prediction of IVF/ICSI Outcome NCT02317978 | Cairo University | — |
| Completed | A RCT Comparing Spontaneous Natural Cycles and Human Chorionic Gonadotrophin-induced Natural Cycles in FET NCT02197208 | The University of Hong Kong | N/A |
| Terminated | Effect of Endometrial Scratching on Assisted Reproduction Outcomes: a Randomized Controlled Trial NCT02180256 | University of Sao Paulo | N/A |
| Terminated | Endometrial Scratching for Cryopreserved Embryo Transfer NCT02093442 | University of Sao Paulo | N/A |
| Unknown | Comparison Between the Role of Follicular Output Rate and Preovulatory Count in the Prediction of Pregnancy in NCT02190006 | Cairo University | — |
| Unknown | Evaluation of the Role of Follicular Sensitivity Index in the Prediction of Pregnancy in Women Undergoing ICSI NCT02158026 | Cairo University | — |
| Completed | Role of Follicular Output Rate in the Prediction of in Vitro Fertilization and Intracytoplasmic Sperm Injectio NCT02154958 | Cairo University | — |
| Completed | Does Dehydro Epiandrosterone (DHEA) Improve Pregnancy Rate in Women Undergoing IVF/ICSI With Expected Poor Ova NCT02151006 | Cairo University | Phase 3 |
| Unknown | Evaluation of the Optimal Dose of GnRH Agonist for Triggering Final Oocyte Maturation in High Risk OHSS Patien NCT01973842 | Aristotle University Of Thessaloniki | Phase 2 |
| Completed | Transdermal Testosterone Pretreatment in Poor Responders Undergoing IVF NCT01961336 | Aristotle University Of Thessaloniki | Phase 3 |
| Completed | The Effects of an Intensive Lifestyle Intervention on Reproductive Outcomes NCT01894074 | Amy E Rothberg | N/A |
| Withdrawn | Endometrial Scratching in In Vitro Fertilization Cycles With Oocyte Donation NCT01842178 | Centro de Infertilidad y Reproducción Humana | N/A |
| Completed | Hysteroscopy Before in Vitro Fertilization - Does it Improve the Outcome? NCT01743391 | Hvidovre University Hospital | N/A |
| Completed | Effect of hCG on Receptivity of the Human Endometrium NCT01786252 | Michigan State University | Phase 4 |
| Unknown | Predicting Ovarian Response in Artificial Insemination With Low Stimulation NCT01662180 | Isala | — |
| Completed | Assessment of Intralipid Efficacy in Women With Unexplained Recurrent Implantation Failure NCT02487940 | Dar El Teb Institute | Phase 4 |
| Terminated | A RCT on the Effect of Endometrial Injury on Improving Ongoing Pregnancy Rate in Subfertile Women Undergoing F NCT02197832 | The University of Hong Kong | N/A |
| Completed | A Study of Human Chorionic Gonadotrophin as Luteal Phase Support in Frozen Embryo Transfer NCT01931384 | The University of Hong Kong | N/A |
| Completed | Use of Atosiban in in Vitro Fertilization (IVF) Treatment NCT01501214 | The University of Hong Kong | Phase 4 |
| Completed | RCT on the Effect of Endometrial Injury on Ongoing Pregnancy Rate in Subfertile Women Undergoing IVF NCT01977976 | The University of Hong Kong | N/A |
| Completed | Corifollitropin Alfa Compared to Daily rFSH in Poor Responders Undergoing ICSI NCT02046655 | Aristotle University Of Thessaloniki | Phase 4 |
| Completed | Gene-polymorphisms Relating to Human Subfertility NCT01385618 | Infertility Treatment Center Dortmund | — |
| Completed | Is the IVF Outcome Dependent on the Time Interval Between hCG Administration and Oocyte Retrieval? NCT02044445 | Aristotle University Of Thessaloniki | N/A |
| Completed | Effect of a Higher Than Maximum 450IU Gonadotropin Dose in an In-vitro Fertilization Cycle NCT00971152 | Clinique Ovo | Phase 3 |
| Completed | Endometrial Scratching in Couples With Unexplained Subfertility NCT01412606 | Mansoura University | Phase 2 / Phase 3 |
| Completed | Prognostic Value of Progesterone for In Vitro Fertilization (IVF) Outcome NCT01067664 | Aristotle University Of Thessaloniki | — |
| Completed | Comparative Effect of Theipoental and Propofol in IVF Outcome NCT02377778 | Aristotle University Of Thessaloniki | Phase 4 |
| Withdrawn | Comparison of Transfers of Fresh and Thawed Embryos in Patients With Prior Failed Embryo Transfer Cycles NCT00736177 | Fertility Center of Las Vegas | N/A |
| Suspended | LH/HCG Receptor Expression and Retrieval Rates NCT00438373 | Aristotle University Of Thessaloniki | — |
| Completed | Fixed Versus Flexible Gonadotropin-releasing Hormone (GnRH) Antagonist Initiation NCT01005784 | Aristotle University Of Thessaloniki | Phase 4 |
| Completed | Mild Versus Conventional Ovarian Stimulation Treatment for In Vitro Fertilization NCT00985062 | Erasmus Medical Center | N/A |
| Completed | Hormonal Stimulation in IUI Treatment: Is Clomifen Combined With Ethinyl Estradiol Better, Worse or Equal to M NCT01569945 | University Hospital, Gasthuisberg | N/A |
| Terminated | Does Hormonal Luteal Support After Intra-uterine Insemination (IUI) Increase the Pregnancy Rate? NCT00700492 | University Hospital, Gasthuisberg | N/A |