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Showing 1–24 of 39 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ovulation Disorder Clear all
Completed Phase 3 Interventional Accepts healthy volunteers

The Effect of Metformin Added to Clomiphene Citrate on Pregnancy Rates in Hyperandrogenic, Chronic Oligoovulatory or Anovulatory Women

NCT00413179
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Anovulation, Oligoovulation, Infertility, Hyperandrogenism
Interventions
Metformin, Clomiphene citrate, Placebo
Drug
Lead sponsor
59th Medical Wing
Federal
Eligibility
18 Years to 40 Years · Female only
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2003
U.S. locations
1
States / cities
Lackland Air Force Base, Texas
Source: ClinicalTrials.gov public record
Updated Dec 18, 2006 · Synced Jul 21, 2026, 4:40 PM EDT
Completed No phase listed Observational

Usability Study of the Pearl Fertility Tracking Device

NCT03924453
View directory record Official record
Conditions
Ovulation Disorder
Interventions
Pearl Powered by Proov
Diagnostic Test
Lead sponsor
MFB Fertility
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
35 participants
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Jul 21, 2026, 4:40 PM EDT
Completed Phase 3 Interventional Results available

Traditional Clomiphene Citrate Administration vs. Stair-step Approach

NCT01008319
View directory record Official record
Conditions
Ovulatory Dysfunction, Anovulation, Ovulation Induction
Interventions
clomiphene citrate
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 7, 2018 · Synced Jul 21, 2026, 4:40 PM EDT
Not listed Early Phase 1 Interventional

Does Treatment of Androgen Excess Using Spironolactone Improve Ovulatory Rates in Girls With Androgen Excess?

NCT04075149
View directory record Official record
Conditions
Polycystic Ovary Syndrome, Puberty Disorders, Ovulation Disorder
Interventions
Spironolactone
Drug
Lead sponsor
University of Virginia
Other
Eligibility
13 Years to 19 Years · Female only
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 26, 2023 · Synced Jul 21, 2026, 4:40 PM EDT
Completed Not applicable Interventional Results available

Study Evaluating the Timing of Intrauterine Insemination in Relation to Positive Home Ovulation Prediction Kit

NCT02294773
View directory record Official record
Conditions
Infertility
Interventions
Intrauterine Insemination, Clomiphene, Letrozole
Procedure · Drug
Lead sponsor
Midwest Fertility Specialists
Industry
Eligibility
21 Years to 39 Years · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
2
States / cities
Fort Wayne, Indiana • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Dec 8, 2015 · Synced Jul 21, 2026, 4:40 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

The Role of Estrogen in Luteinizing Hormone Surge and Ovulation

NCT01999569
View directory record Official record
Conditions
Ovulation Disorder, Ovarian Cysts
Interventions
Letrozole
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Charlotte, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 21, 2022 · Synced Jul 21, 2026, 4:40 PM EDT
Terminated Not applicable Interventional Results available

Efficacy Study of Raloxifene to Induce Ovulation in Polycystic Ovarian Syndrome

NCT01607320
View directory record Official record
Conditions
Polycystic Ovarian Syndrome
Interventions
Raloxifene, Clomiphene
Drug
Lead sponsor
Bruce Lessey
Other
Eligibility
18 Years to 36 Years · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 19, 2018 · Synced Jul 21, 2026, 4:40 PM EDT
Not listed No phase listed Observational

Use of Clomiphene Citrate as an Inhibitor of Ovulation in an Oocyte Cryopreservation Cycle

NCT05866068
View directory record Official record
Conditions
Infertility, Female, Infertility
Interventions
Clomiphene
Drug
Lead sponsor
Neil Chappell
Other
Eligibility
18 Years to 42 Years · Female only
Enrollment
10 participants
Timeline
2023 – 2024
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 18, 2023 · Synced Jul 21, 2026, 4:40 PM EDT
Completed No phase listed Observational

International NaProTechnology Evaluation and Surveillance of Treatment for Infertility and Miscarriage (iNEST)

NCT01363596
View directory record Official record
Conditions
Infertility, Miscarriage
Interventions
Creighton Model System in conjunction with Natural Procreative Technology (NPT)
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 50 Years
Enrollment
834 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2020
U.S. locations
5
States / cities
Baton Rouge, Louisiana • Gardner, Massachusetts • St Louis, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 26, 2023 · Synced Jul 21, 2026, 4:40 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Open-label Study of the Effects of Elagolix in Adult Premenopausal Females

NCT01403038
View directory record Official record
Conditions
Folliculogenesis
Interventions
elagolix
Drug
Lead sponsor
AbbVie (prior sponsor, Abbott)
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
20
States / cities
Colorado Springs, Colorado • Denver, Colorado • Lonetree, Colorado + 14 more
Source: ClinicalTrials.gov public record
Updated Jan 7, 2013 · Synced Jul 21, 2026, 4:40 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Apple Women's Health Study

NCT04196595
View directory record Official record
Conditions
Menstrual Cycle, Ovulation, Menstruation, Polycystic Ovary Syndrome, Infertility, Menopause, Reproduction, Reproductive Health
Interventions
Not listed
Lead sponsor
Apple Inc.
Industry
Eligibility
18 Years and older
Enrollment
500,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Jul 21, 2026, 4:40 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Folic Acid and Zinc Supplementation Trial (FAZST)

NCT01857310
View directory record Official record
Conditions
Pregnancy, Live Birth, Spontaneous Abortion
Interventions
5 mg folic acid and 30 mg elemental zinc, Placebo Comparator: Placebo
Dietary Supplement · Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 45 Years
Enrollment
2,370 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
4
States / cities
Chicago, Illinois • Iowa City, Iowa • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Jul 21, 2026, 4:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Efficacy Study of the OV-Watch™ Personal Fertility Monitor for Women Using Clomiphene Citrate.

NCT00239603
View directory record Official record
Conditions
Infertility, Anovulation, Polycystic Ovary Syndrome
Interventions
OV-Watch
Device
Lead sponsor
Emory University
Other
Eligibility
21 Years to 42 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 16, 2007 · Synced Jul 21, 2026, 4:40 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Impact of Menstrual Phase on Oral Glucose Sensitivity

NCT06800690
View directory record Official record
Conditions
Ovulation, Menstruation
Interventions
Urinary Estrogen Level
Diagnostic Test
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 46 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Jul 21, 2026, 4:40 PM EDT
Completed No phase listed Observational

The Impact of Polycystic Ovary Syndrome (PCOS) on Quality of Life and Healthcare Beliefs

NCT00961688
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Not listed
Lead sponsor
Georgia Reproductive Specialists
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 2, 2010 · Synced Jul 21, 2026, 4:40 PM EDT
Completed No phase listed Observational

Ovarian Follicle Function in Patients With Primary Ovarian Failure

NCT00001275
View directory record Official record
Conditions
Amenorrhea, Hypoaldosteronism, Hypogonadism, Infertility, Premature Ovarian Failure
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 42 Years · Female only
Enrollment
1,134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Jul 21, 2026, 4:40 PM EDT
Completed Phase 2Phase 3 Interventional

Vaginal Progesterone Supplementation in Women With PCOS Undergoing Ovulation Induction With Letrozole

NCT03440359
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Progesterone Vaginal Gel 8%, Letrozole Oral Tablet, pelvic ultrasound, Ovidrel 250 MCG Per 0.5 ML Prefilled Syringe, Intrauterine insemination or timed intercourse
Drug · Diagnostic Test · Other
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 25, 2018 · Synced Jul 21, 2026, 4:40 PM EDT
Completed No phase listed Observational

A Follow-up of the Early Pregnancy Study Cohort.

NCT01132924
View directory record Official record
Conditions
Gestational Age, Time to Pregnancy, Early Pregnancy Loss
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
45 Years to 75 Years · Female only
Enrollment
173 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 28, 2023 · Synced Jul 21, 2026, 4:40 PM EDT
Completed No phase listed Observational

Steroid Therapy in Autoimmune Premature Ovarian Failure

NCT00001306
View directory record Official record
Conditions
Autoimmune Disease, Infertility, Premature Ovarian Failure
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 39 Years · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 4:40 PM EDT
Withdrawn Phase 2 Interventional

Effects of an Estrogen Replacement Therapy Skin Patch on Ovulation in Women With Premature Ovarian Failure

NCT00370019
View directory record Official record
Conditions
Premature Ovarian Failure
Interventions
Estradiol/Medroxyprogesterone acetate
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years to 40 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Jul 21, 2026, 4:40 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

The SNORES Randomized Clinical Trial

NCT02442999
View directory record Official record
Conditions
PCOS, Sleep Apnea
Interventions
Screening for obstructive sleep apnea, CPAP - continuous positive airway pressure
Other · Device
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
6
States / cities
Lakeland, Florida • Sarasota, Florida • St. Petersburg, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated May 3, 2017 · Synced Jul 21, 2026, 4:40 PM EDT
Recruiting Phase 3 Interventional

Role of Semaglutide in Restoring Ovulation in Youth and Adults With Polycystic Ovary Syndrome

NCT05819853
View directory record Official record
Conditions
PCOS (Polycystic Ovary Syndrome) of Bilateral Ovaries, Obese
Interventions
Semaglutide Injectable Product (Wegovy and/or Ozempic)
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 35 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 27, 2025 · Synced Jul 21, 2026, 4:40 PM EDT
Not listed Phase 1Phase 2 Interventional

Human Growth Hormone Pre-treatment for 6 Weeks Prior to Ovulation Induction for IVF

NCT02179255
View directory record Official record
Conditions
Female Infertility Due to Diminished Ovarian Reserve
Interventions
Human Growth Hormone, Follicle Stimulating Hormone
Drug
Lead sponsor
Center for Human Reproduction
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 17, 2020 · Synced Jul 21, 2026, 4:40 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Acupuncture for Polycystic Ovarian Syndrome

NCT00602940
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Acupuncture, Sham Acupuncture
Procedure
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 43 Years · Female only
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 20, 2010 · Synced Jul 21, 2026, 4:40 PM EDT