| Recruiting | Letrozole Extended vs Traditional Therapy for Ovulation Induction in Women With PCOS (PROLEx-PCOS) NCT07159880 | GABRIEL MONTEIRO PINHEIRO | N/A |
| Completed | Diagnostics of Clinical Hyperandrogenism NCT06530498 | Jagiellonian University | — |
| Completed | Uterine and Endometrial Volume in PCOS and HPOD NCT06211608 | Jagiellonian University | — |
| Completed | Quality of Life in Normogonadotropic Anovulation NCT06208995 | Jagiellonian University | — |
| Unknown | Sperm Preparation Prior to Intrauterine Insemination Study NCT05693220 | University of California, San Francisco | N/A |
| Recruiting | Effect of Vitamin D on Ovulation Rate in Women With Polycystic Ovary Syndrome NCT04650880 | The University of Hong Kong | N/A |
| Unknown | LOD vs Gn in Anovulatory PCOs Resistant to First Line Agents NCT04325295 | Assiut University | N/A |
| Completed | Inositol Supplementation to Treat PCOS (INSUPP-PCOS) NCT03864068 | Milton S. Hershey Medical Center | Phase 2 |
| Completed | Ovarian Response to Recombinant Follicle Stimulating Hormone in Women With PCOS NCT03252223 | University of California, San Diego | Phase 4 |
| Withdrawn | Using CPAP to Improve Menstruation in Women With Polycystic Ovarian Syndrome and Obstructive Sleep Apnea NCT03155828 | University of Louisville | — |
| Completed | Serum Kisspeptin Levels in Infertile Women NCT03018314 | Bakirkoy Dr. Sadi Konuk Research and Training Hospital | — |
| Completed | Administration of Single High Dose Letrozole for Ovulation Induction NCT02703649 | Mount Sinai Hospital, Canada | Phase 4 |
| Unknown | Letrozole Versus Clomiphene Citrate for Ovulation Induction in Women With Poly Cystic Ovary Syndrome ( PCOS ) NCT02551367 | mostafa gomaa hamid halawa | Phase 2 |
| Completed | Sildenafil Vaginal Gel Co-treatment With Clomiphene Citrate in Infertile Women With Thin Endometrium NCT02710981 | Assiut University | N/A |
| Unknown | Concomitant CC and E2 Versus CC Alone in Ovulation Induction NCT02186782 | Maher elesawi kamel elesawi | Phase 4 |
| Completed | Circulating Androgen Levels Are Not Affected by the Administration of Vaginal Micronized Progesterone for With NCT03088046 | Fundacion Dexeus | N/A |
| Completed | Evaluation of Efficacy and Safety of Highly Purified Urofollitropin for Ovulation Induction in Chinese Females NCT01923194 | Ferring Pharmaceuticals | Phase 3 |
| Completed | Evaluation of Ovarian Morphology and Function in Overweight Women During Weight Loss NCT01785719 | Cornell University | N/A |
| Completed | Trial to Assess the Clinical Efficacy and Safety of MSJ-0011 in Inducing Ovulation in Anovulatory or Oligo-ovu NCT01653743 | Merck KGaA, Darmstadt, Germany | Phase 3 |
| Withdrawn | FHA: Characterization of Metabolic Status, Brain Circuitry, and Stress-Reactivity NCT00453219 | Emory University | — |
| Completed | Predictors of Ovarian Response During Clomiphene Citrate Ovulation Induction in Patients With Polycystic Ovary NCT02269306 | Menoufia Obstetrics and Gynecology Group | N/A |
| Completed | Gonadotrophin Dosage Using a Threshold Nomogram for Ovulation Induction in WHO Group II Anovulatory Infertilit NCT01250821 | Rigshospitalet, Denmark | Phase 4 |
| Completed | Influence of Pharmacogenetic Factors, Paroxetine and Clarithromycin on Pharmacokinetics of Clomiphene NCT01289756 | Robert Bosch Gesellschaft für Medizinische Forschung mbH (RBMF) | Phase 1 |
| Completed | Traditional Clomiphene Citrate Administration vs. Stair-step Approach NCT01008319 | University of Oklahoma | Phase 3 |
| Unknown | Whole Genome Analysis for the Detection of Key Genes in the Polycystic Ovary Syndrome NCT00665171 | Maaynei Hayesha Medical Center | — |
| Completed | Phase III Clinical Study of Domestic Recombinant Human Follitropin for Injection to Treat WHO Class II Anovula NCT02335879 | Changchun GeneScience Pharmaceutical Co., Ltd. | Phase 3 |
| Completed | Short-term Structured Exercise Training Program Plus Diet Intervention in Patients With Polycystic Ovary Syndr NCT01004068 | University Magna Graecia | Phase 4 |
| Completed | Protocol for Drug Use Investigation of Follistim Injection (Study P06132)(COMPLETED) NCT00920634 | Organon and Co | — |
| Completed | A Phase III Clinical Study to Compare the Efficacy and Safety of DA-3801 and That of Gonal-F® NCT01820728 | Dong-A ST Co., Ltd. | Phase 3 |
| Completed | Treatment of Anovulatory Infertility in PCOS Patients NCT00471523 | University Magna Graecia | Phase 4 |
| Completed | Weight Reduction Surgery and Ovarian Function NCT00292773 | Sheffield Teaching Hospitals NHS Foundation Trust | — |
| Completed | An RCT of Metformin Vs Orlistat in Obese Anovulatory Women NCT00292799 | Sheffield Teaching Hospitals NHS Foundation Trust | N/A |
| Completed | Efficacy Study of the OV-Watch™ Personal Fertility Monitor for Women Using Clomiphene Citrate. NCT00239603 | Emory University | — |
| Completed | Comparison of Anastrozole Verses Clomiphene Citrate in Stimulating Follicular Growth and Ovulation in Infertil NCT00213148 | EMD Serono | Phase 2 |
| Completed | Ovarian Laser Treatment in Women With Polycystic Ovarian Syndrome: A Randomized Study on the Laser Dose NCT00643708 | Shen-Zhen City Maternity and Child Healthcare Hospital | — |
| Unknown | The Cycle Disturbances, OLigomenorrhea and Amenorrhea (COLA) Study & Biobank NCT02309047 | UMC Utrecht | — |
| Completed | Metformin and Folate Supplementation in Polycystic Ovary Syndrome (PCOS) Patients NCT00953355 | University Magna Graecia | Phase 4 |
| Completed | Structured Exercise Training Program Versus Hypocaloric Hyperproteic Diet in Obese Anovulatory Infertile Patie NCT00473538 | University Magna Graecia | Phase 4 |
| Completed | Study of Mechanisms of Anovulation in Polycystic Ovary Syndrome NCT00492882 | University Hospital, Lille | — |
| Completed | Effect of Bright Light on Sex Hormones and Ovulation in Humans NCT00327366 | Russian Academy of Medical Sciences | N/A |
| Completed | Second-Line Treatments for Anovulatory Infertility in PCOS Patients NCT00558077 | University Magna Graecia | Phase 4 |
| Completed | Effects of Gynecological Age on LH Sensitivity to Energy Availability NCT00260286 | Ohio University | N/A |
| Completed | The Effect of Metformin Added to Clomiphene Citrate on Pregnancy Rates in Hyperandrogenic, Chronic Oligoovulat NCT00413179 | 59th Medical Wing | Phase 3 |
| Completed | Reproductive Effects of Pesticide, PCB and Mercury Exposure in Laotian Immigrants NCT00011388 | National Institute of Environmental Health Sciences (NIEHS) | — |