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Showing 1–24 of 42 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Length of Labor Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Rate and/or Presence of Dextrose on the Labor Course of Nulliparas

NCT01904617
View directory record Official record
Conditions
Length of Labor, Second Stage of Labor, Intravenous Hydration of Labor
Interventions
Dextrose, Normal Saline
Other
Lead sponsor
MemorialCare Health System
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2015 · Synced Jul 22, 2026, 1:38 AM EDT
Recruiting Phase 4 Interventional

Lactated Ringer's and Dextrose 5% vs Only Lactated Ringer's in Labor

NCT07124130
View directory record Official record
Conditions
Induced Labor
Interventions
5% Dextrose (D5) in Normal Saline (NS), Lactate Ringer
Drug
Lead sponsor
Eastern Virginia Medical School
Other
Eligibility
18 Years and older · Female only
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Norfolk, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Jul 22, 2026, 1:38 AM EDT
Recruiting Not applicable Interventional

Optimal Timing of Routine Cervical Length Measurements During Anatomy Survey

NCT06822647
View directory record Official record
Conditions
Cervical Insufficiency, Preterm Birth, Cervical Length Measurement
Interventions
Cervical Length Measurement at the Beginning of the Anatomy Survey, Cervical Length Measurement at the End of the Anatomy Survey
Procedure
Lead sponsor
Henry Ford Health System
Other
Eligibility
Female only
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Jul 22, 2026, 1:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Two Methods of Diagnosing Preterm Labor

NCT01431885
View directory record Official record
Conditions
Preterm Labor, Preterm Delivery
Interventions
Diagnosis by cervical length and fibronectin, Cervical change
Procedure
Lead sponsor
University of California, San Francisco
Other
Eligibility
16 Years and older · Female only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Fresno, California
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Jul 22, 2026, 1:38 AM EDT
Terminated Not applicable Interventional Results available

Do Peanut Shaped Birthing Balls Reduce the Length of Labor in Patients With Epidural Analgesia?

NCT02539563
View directory record Official record
Conditions
Labor
Interventions
peanut shaped birthing ball
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 17, 2022 · Synced Jul 22, 2026, 1:38 AM EDT
Completed Not applicable Interventional

Preterm Induction of Labor Timing of Amniotomy: A Randomized Controlled Trial

NCT03504670
View directory record Official record
Conditions
Preterm Pregnancy, Labor Induction
Interventions
Early Amniotomy, Late Amniotomy
Procedure
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older · Female only
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 26, 2021 · Synced Jul 22, 2026, 1:38 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Outpatient Antibiotics Following Previable Rupture of Membranes (pPPROM) Between 18 0/7 and 22 6/7 Weeks Gestational Age

NCT05345457
View directory record Official record
Conditions
Pregnancy Preterm, Pregnancy Prom, PROM, Preterm (Pregnancy), PROM (Pregnancy), Premat Rupture Membranes Preterm Unspec to Length of Time Between Rupture/Labor, Premature Birth
Interventions
Azithromycin Pill, Amoxicillin Pill
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
3
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Jul 22, 2026, 1:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

LaPPS: Labor Podcast for Patient Satisfaction

NCT04933708
View directory record Official record
Conditions
Labor Onset and Length Abnormalities, Pregnancy Related
Interventions
Labor Podcast
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Jul 22, 2026, 1:38 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Phospholipase A2 Producing Bacteria and Pre-Term Labor

NCT00855543
View directory record Official record
Conditions
Preterm Labor
Interventions
Not listed
Lead sponsor
CAMC Health System
Other
Eligibility
14 Years to 45 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Charleston, West Virginia
Source: ClinicalTrials.gov public record
Updated Jul 14, 2011 · Synced Jul 22, 2026, 1:38 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Patient Attitudes Toward Ultrasound Measurement of Cervical Length

NCT01482039
View directory record Official record
Conditions
Cervical Insufficiency
Interventions
Sequential ultrasound, Transvaginal ultrasound
Procedure
Lead sponsor
Intermountain Women and Children's Research
Other
Eligibility
18 Years and older · Female only
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 29, 2011 · Synced Jul 22, 2026, 1:38 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Accuracy of Electronic Apex Locators ProMark, RootZX II and NRG Rider on Working Length of Multi-rooted Teeth

NCT02521909
View directory record Official record
Conditions
Dental Pulp Diseases
Interventions
ProMark (Tooth Extraction for Assessment of Different Apex Locators), Root ZX II (Tooth Extraction for Assessment of Different Apex Locators), NRG Rider (Tooth Extraction for Assessment of Different Apex Locators)
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 21, 2017 · Synced Jul 22, 2026, 1:38 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Foley Catheter Induction

NCT05257187
View directory record Official record
Conditions
Labor Induction
Interventions
Transcervical foley catheter
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Jul 22, 2026, 1:38 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Analgesic Techniques on Duration of Spontaneously Laboring Patients

NCT01982838
View directory record Official record
Conditions
Effects of; Anesthesia, in Labor and Delivery, Pregnancy, Prolonged First Stage of Labor
Interventions
Epidural de novo, CSE
Procedure
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 10, 2014 · Synced Jul 22, 2026, 1:38 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparison of Misoprostol Ripening Efficacy With Dilapan

NCT03670836
View directory record Official record
Conditions
Labor Onset and Length Abnormalities, Induced; Birth
Interventions
Dilapan, Misoprostol
Device · Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
307 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
New York, New York • Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 18, 2024 · Synced Jul 22, 2026, 1:38 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

LATe Cerclage in High-risk Pregnancies (LATCH)

NCT06036446
View directory record Official record
Conditions
Premature Birth
Interventions
Cervical cerclage, Vaginal Suppository Progesterone
Procedure · Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
329 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
2
States / cities
Charlotte, North Carolina • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Jul 22, 2026, 1:38 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Cerclage On LOw Risk Singletons: Cervical Cerclage for Prevention of Spontaneous Preterm Birth in Low Risk Singleton Pregnancies With Short Cervix

NCT03251729
View directory record Official record
Conditions
Premature Birth
Interventions
Cervical cerclage, Vaginal progesterone
Procedure · Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Jul 22, 2026, 1:38 AM EDT
Completed Not applicable Interventional

Effects of Massage Therapy and Kinesthetic Stimulation on Pre-Term Infants

NCT00661791
View directory record Official record
Conditions
Prematurity
Interventions
Massage therapy without exercise, Massage therapy with exercise
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
28 Weeks to 32 Weeks
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 17, 2008 · Synced Jul 22, 2026, 1:38 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

PREGNANT Short Cervix Trial

NCT00615550
View directory record Official record
Conditions
Preterm Delivery, Short Cervix, Short Uterine Cervical Length
Interventions
progesterone, placebo
Drug
Lead sponsor
Juniper Pharmaceuticals, Inc.
Industry
Eligibility
15 Years to 45 Years · Female only
Enrollment
465 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
27
States / cities
Mobile, Alabama • Phoenix, Arizona • Orange, California + 21 more
Source: ClinicalTrials.gov public record
Updated Mar 12, 2012 · Synced Jul 22, 2026, 1:38 AM EDT
Completed Not applicable Interventional Results available

Length of Cook Catheter Placement and Induction of Labor

NCT04233008
View directory record Official record
Conditions
Induction of Labor
Interventions
Foley catheter length
Device
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 23, 2022 · Synced Jul 22, 2026, 1:38 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Cervix Monitor for Elasticity and Length Measurements

NCT03199079
View directory record Official record
Conditions
Preterm Birth
Interventions
Measurement
Other
Lead sponsor
Advanced Tactile Imaging, Inc.
Industry
Eligibility
21 Years to 44 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
2
States / cities
New Brunswick, New Jersey • Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Oct 16, 2022 · Synced Jul 22, 2026, 1:38 AM EDT
Completed No phase listed Observational

Cervical Volume by Three-Dimensional Ultrasound as a Predictor of Preterm Delivery

NCT00342550
View directory record Official record
Conditions
Pregnancy, Preterm Birth, Cervical Length Measurement
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
15 Years and older · Female only
Enrollment
648 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2008
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 23, 2023 · Synced Jul 22, 2026, 1:38 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Association Between Bolus Rate and the Adequacy of Labor Analgesia Using Timed-intermittent Boluses

NCT02340806
View directory record Official record
Conditions
Labor Pain, Obstetric Pain
Interventions
CADD-Solis pump (Smiths Medical)
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Jul 22, 2026, 1:38 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Goal-directed Labor Epidural Analgesia Maintenance

NCT05255263
View directory record Official record
Conditions
Labor Onset and Length Abnormalities
Interventions
PIEB, CEI
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 13, 2022 · Synced Jul 22, 2026, 1:38 AM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

RCT of Progesterone to Prevent Preterm Birth in Nulliparous Women With a Short Cervix

NCT00439374
View directory record Official record
Conditions
Preterm Delivery, Cervical Length
Interventions
17 alpha-hydroxyprogesterone caproate, Placebo Oil
Drug · Other
Lead sponsor
The George Washington University Biostatistics Center
Other
Eligibility
Female only
Enrollment
657 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
14
States / cities
Birmingham, Alabama • Chicago, Illinois • Detroit, Michigan + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2019 · Synced Jul 22, 2026, 1:38 AM EDT