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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Ovulation Clear all
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 Jun 10, 2026, 12:53 PM EDT
Completed Phase 3 Interventional Results available

LutrePulse Hypogonadotropic Hypogonadism

NCT01976728
View directory record Official record
Conditions
Primary Amenorrhea With Hypogonadotropic Hypogonadism
Interventions
Gonadorelin acetate subcutaneous (SC) 10 μg/pulse as a fixed dose, administered via. OmniPod pump, Gonadorelin acetate SC 15 μg/pulse as a fixed dose, administered via. OmniPod pump, Gonadorelin acetate SC 20 μg/pulse as a fixed dose, administered via. OmniPod pump, Placebo (SC 10, 15, or 20 μg/pulse as a fixed dose, administered via. OmniPod pump)
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
33
States / cities
Tempe, Arizona • San Francisco, California • Aurora, Colorado + 28 more
Source: ClinicalTrials.gov public record
Updated Mar 2, 2021 · Synced Jun 10, 2026, 12:53 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

A Phase 2, Dose-finding, Cross-over Study to Evaluate the Effect of a NES/E2 Transdermal Gel Delivery on Ovulation Suppression in Normal Ovulating Women

NCT00796133
View directory record Official record
Conditions
Ovulation
Interventions
NES/E2 gel
Drug
Lead sponsor
Population Council
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 16, 2015 · Synced Jun 10, 2026, 12:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effects of a Prostaglandin Inhibitor on Ovulation and the Menstrual Cycle

NCT00614406
View directory record Official record
Conditions
Ovulation (Follicular Rupture Yes/no), Menstrual Cycles (Total Length, Bleeding Days), Gonadotropin and Ovarian Hormone Levels (FSH, LH, E2, P)
Interventions
Celebrex, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 12, 2012 · Synced Jun 10, 2026, 12:53 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Use of High Cost Monitoring During Letrozole Ovulation Induction

NCT01279200
View directory record Official record
Conditions
Infertility
Interventions
Midcycle ultrasound + hCG injection, Urinary LH kits
Other
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 39 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 5, 2015 · Synced Jun 10, 2026, 12:53 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Optimizing Ovulation Induction in the Poor Responder

NCT01200537
View directory record Official record
Conditions
IVF Poor Responders
Interventions
Estradiol, Oral Contraceptive Pills (OCP)
Drug
Lead sponsor
Duke University
Other
Eligibility
20 Years to 50 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 20, 2012 · Synced Jun 10, 2026, 12:53 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Oral Levonorgestrel Plus Meloxicam, IG-002 Delays Ovulation in Normal Menstruating Women by Seven Days

NCT05695352
View directory record Official record
Conditions
Pregnancy Prevention
Interventions
Levonorgestrel 1.5mg, Meloxicam 15 mg, Placebo
Drug · Other
Lead sponsor
InnovaGyn, Inc.
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 19, 2025 · Synced Jun 10, 2026, 12:53 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Kegg Fertility Study

NCT06862440
View directory record Official record
Conditions
Fertility
Interventions
Kegg
Device
Lead sponsor
Lady Technologies Inc
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jun 10, 2026, 12:53 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Evaluation of Pharmacodynamic Effects on Ovulation and Cycle Control

NCT01250210
View directory record Official record
Conditions
Ovulation Suppression
Interventions
levonorgestrel and ethinyl estradiol
Drug
Lead sponsor
Agile Therapeutics
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
11
States / cities
Tucson, Arizona • San Diego, California • Denver, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Jun 10, 2026, 12:53 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Study of Dual Trigger Ovulation in Oocyte Donors

NCT01443546
View directory record Official record
Conditions
Infertility
Interventions
HCG, Lupron Trigger, Dual Trigger
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
21 Years to 55 Years · Female only
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Jun 10, 2026, 12:53 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Creighton Model Effectiveness, Intentions and Behaviors Assessment (CEIBA)

NCT01012596
View directory record Official record
Conditions
Pregnancy, Fertility
Interventions
Creighton Model System of Natural Family Planning
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 40 Years
Enrollment
624 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
17
States / cities
Sacramento, California • Duluth, Minnesota • Saint Paul, Minnesota + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2022 · Synced Jun 10, 2026, 12:53 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 Jun 10, 2026, 12:53 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Dose Finding Study of Contraceptive Vaginal Ring With Different Estradiol Levels in Combination With Nestorone

NCT02626208
View directory record Official record
Conditions
Suppression of Ovulation
Interventions
Nestorone®/Estradiol Contraceptive Vaginal Ring
Device
Lead sponsor
Premier Research
Other
Eligibility
18 Years to 39 Years · Female only
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
7
States / cities
Sacramento, California • New York, New York • Cincinnati, Ohio + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 14, 2017 · Synced Jun 10, 2026, 12:53 PM EDT
Completed No phase listed Observational

Registry of Pregnancies Conceived Following Exposure to Ovulation Stimulation Medications

NCT00902382
View directory record Official record
Conditions
Infertility
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
13
States / cities
Birmingham, Alabama • Stanford, California • Aurora, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2018 · Synced Jun 10, 2026, 12:53 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 Jun 10, 2026, 12:53 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 Jun 10, 2026, 12:53 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 Jun 10, 2026, 12:53 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 Jun 10, 2026, 12:53 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 Jun 10, 2026, 12:53 PM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Does Letrozole Improve the Outcomes and/or Reduce the Cost of IVF-ET Cycles?

NCT00804960
View directory record Official record
Conditions
Infertility
Interventions
Letrozole, Std IVF Protocol
Drug
Lead sponsor
Center for Human Reproduction
Other
Eligibility
21 Years to 38 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2015 · Synced Jun 10, 2026, 12:53 PM EDT
Completed Early Phase 1 Interventional Results available

Ovarian Function With ENG Implant and UPA Use

NCT04291001
View directory record Official record
Conditions
Contraception
Interventions
ENG implant, oral ulipristal acetate
Device · Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 11, 2024 · Synced Jun 10, 2026, 12:53 PM EDT
Not listed Phase 4 Interventional

Ovulation Induction With Clomiphene Citrate and Dexamethasone

NCT01856062
View directory record Official record
Conditions
Infertility
Interventions
Placebo, Dexamethasone
Drug
Lead sponsor
San Antonio Military Medical Center
Federal
Eligibility
18 Years to 40 Years · Female only
Enrollment
140 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 27, 2014 · Synced Jun 10, 2026, 12:53 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Efficacy and Safety of Two Flexible Extended Regimens of BAY86-5300 (SH T00186D) in Comparison With the Conventional Regimen of YAZ

NCT00567164
View directory record Official record
Conditions
Contraception, Ovulation Inhibition, Contraceptives, Oral
Interventions
EE20/DRSP (BAY86-5300), EE20/DRSP (YAZ, BAY86-5300)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
1,887 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
85
States / cities
Montgomery, Alabama • Chandler, Arizona • Mesa, Arizona + 74 more
Source: ClinicalTrials.gov public record
Updated Mar 11, 2014 · Synced Jun 10, 2026, 12:53 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nimodipine to Prevent LH Surge During Ovulation Induction: Blinded Placebo-controlled RCT

NCT01672801
View directory record Official record
Conditions
Unexplained Infertility, Polycystic Ovarian Syndrome, Anovulatory
Interventions
Placebo, Nimodipine
Drug
Lead sponsor
Boston IVF
Other
Eligibility
25 Years to 40 Years · Female only
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Waltham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 10, 2020 · Synced Jun 10, 2026, 12:53 PM EDT