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Showing 1–24 of 30 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Nulliparous Women Clear all
Terminated Phase 2Phase 3 Interventional Results available

Study to Evaluate is ECV Success is Improved and the Side Effects Reduced With the Use of IV NTGL Versus Terbutaline

NCT02115256
View directory record Official record
Conditions
External Cephalic Version
Interventions
Intravenous Terbutaline, Intravenous Nitroglycerine
Drug
Lead sponsor
Yaakov Beilin
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced Jul 22, 2026, 2:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Fitbit Activity Tracker to Predict Risk of Preterm Birth

NCT03304782
View directory record Official record
Conditions
Preterm Birth, Preterm Delivery
Interventions
Fitbit activity tracker
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 28, 2019 · Synced Jul 22, 2026, 2:08 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Outpatient Cervical Preparation to Reduce Induction Duration in NTSV Women

NCT03934918
View directory record Official record
Conditions
Cervical Ripening, Outpatient, Patient Satisfaction, Nulliparous, Length of Stay
Interventions
Treatment
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 4, 2021 · Synced Jul 22, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Tension Versus Tension- Free Foley Balloon for Cervical Ripening

NCT05404776
View directory record Official record
Conditions
Induced Vaginal Delivery
Interventions
Placement of Foley balloon for cervical ripening with tension., Placement of Foley balloon for cervical ripening without tension.
Other
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
279 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 5, 2025 · Synced Jul 22, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Nitroprusside on Intrauterine Device (IUD) Insertion

NCT01248091
View directory record Official record
Conditions
Cervical Pain, Pelvic Pain
Interventions
Nitroprusside Gel, Placebo Gel
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 13, 2012 · Synced Jul 22, 2026, 2:08 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Pitocin or Oral Misoprostol for PROM IOL

NCT04028765
View directory record Official record
Conditions
PROM
Interventions
Misoprostol, Oxytocin
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Jul 22, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Misoprostol With Intrauterine Device Insertion

NCT00613366
View directory record Official record
Conditions
Contraception
Interventions
Misoprostol, Magnesium Oxide
Drug · Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Jul 22, 2026, 2:08 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of Increased IV Hydration on Nulliparous Women Undergoing an Induction of Labor

NCT02989571
View directory record Official record
Conditions
Labor; Forced or Induced, Affecting Fetus or Newborn
Interventions
Intravenous normal saline administered at 250ml/hr, Intravenous normal saline administered at 125ml/hr
Drug
Lead sponsor
MemorialCare Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Long Beach, California
Source: ClinicalTrials.gov public record
Updated Jan 19, 2023 · Synced Jul 22, 2026, 2:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Age on the Levator Ani Muscle of Nulliparous Women

NCT00964145
View directory record Official record
Conditions
Nulliparous Women
Interventions
Not listed
Lead sponsor
University of Oklahoma
Other
Eligibility
20 Years to 70 Years · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 27, 2011 · Synced Jul 22, 2026, 2:08 PM 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, 2:08 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Cervical Ripening for Obese Women: A Randomized, Comparative Effectiveness Trial

NCT02639429
View directory record Official record
Conditions
Obesity, Labor Induction, Cesarean Delivery
Interventions
Vaginal Misoprostol, Foley Balloon + Vaginal Misoprostol
Drug · Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Female only
Enrollment
236 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 25, 2019 · Synced Jul 22, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Use of Misoprostol for Intrauterine Device (IUD) Insertion in Nulliparous Women

NCT01001897
View directory record Official record
Conditions
Contraception
Interventions
Misoprostol, Placebo
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 13, 2012 · Synced Jul 22, 2026, 2:08 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Ambulation With Labor Epidural in Obese Women

NCT04504682
View directory record Official record
Conditions
Obesity, Labor Onset and Length Abnormalities
Interventions
Ambulation
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 5, 2023 · Synced Jul 22, 2026, 2:08 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Intra Uterine Device Insertion in Nulliparous Women

NCT01422226
View directory record Official record
Conditions
Contraception
Interventions
Misoprostol, Placebo
Drug · Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Jul 22, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

3-D Endoanal Ultrasound: Normative Anatomy of the Anal Sphincter in Nulliparous Females

NCT01123109
View directory record Official record
Conditions
Normal (no Known Injury) Anal Sphincter Female Anatomy
Interventions
3-D Endoanal Ultrasound
Procedure
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2012
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Feb 6, 2018 · Synced Jul 22, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Trial of Bed Versus Stirrups Delivery in Nulliparous Women for Prevention of Perineal Lacerations

NCT00895973
View directory record Official record
Conditions
Perineal Lacerations
Interventions
Stirrups delivery vs bed delivery
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
16 Years and older · Female only
Enrollment
214 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2018 · Synced Jul 22, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Self-administered Intravaginal 2% Lidocaine Gel Prior to Intrauterine Device Insertion in Nulliparous Women

NCT01534520
View directory record Official record
Conditions
Pain
Interventions
Lidocaine, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years to 55 Years · Female only
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 21, 2016 · Synced Jul 22, 2026, 2:08 PM EDT
Suspended Phase 1 Interventional Accepts healthy volunteers

Role of L-citrulline in Prevention of Pregnancy Associated Hypertension

NCT04979793
View directory record Official record
Conditions
Pregnancy Induced Hypertension, Preeclampsia and Eclampsia, Gestational Hypertension
Interventions
L-citrulline, Placebo
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older · Female only
Enrollment
338 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Galveston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Jul 22, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Nitroglycerin on the Intrauterine Device (IUD) Insertion Experience in Nulliparous Women

NCT01490073
View directory record Official record
Conditions
Contraception, Pain
Interventions
Insertion of nitroglycerin ointment, Insertion of placebo ointment
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 25, 2019 · Synced Jul 22, 2026, 2:08 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Decision Aid to Assist Low-Risk Nulliparous Women Considering Induction of Labor At 39 Weeks

NCT04052347
View directory record Official record
Conditions
Pregnancy Related, Elective Induction
Interventions
Shared decision-making with a Decision-aid, routine shared decision-making
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 23, 2021 · Synced Jul 22, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Misoprostol Prior to Intrauterine Device (IUD) Insertion in Nulliparous Women

NCT00886834
View directory record Official record
Conditions
Contraception
Interventions
Misoprostol, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 21, 2014 · Synced Jul 22, 2026, 2:08 PM EDT
Not listed Not applicable Interventional

Passive Descent in Obese Nulliparous Gravidae

NCT02080429
View directory record Official record
Conditions
Management of the Second Stage of Labor in Obese Nulliparous Women by Either Passive Descent or Immediate Pushing.
Interventions
Passive Descent, Pushing
Procedure
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
Female only
Enrollment
540 participants
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 5, 2014 · Synced Jul 22, 2026, 2:08 PM EDT
Withdrawn Phase 2Phase 3 Interventional Accepts healthy volunteers

Nitrous Oxide for Pain Management During IUD Insertion in Nulliparous Adolescent Women

NCT04089852
View directory record Official record
Conditions
Contraceptive Devices, Long-Acting Reversible Contraception, Analgesia, Adolescent Health, Gynecology
Interventions
Nitrous oxide gas for inhalation, Oxygen Gas for Inhalation
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
14 Years to 24 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Jul 22, 2026, 2:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nulliparous Pregnancy Outcomes Study: Monitoring Mothers-to-be

NCT01322529
View directory record Official record
Conditions
Pregnancy, Pregnancy Complications
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
13 Years and older · Female only
Enrollment
10,038 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
17
States / cities
Fountain Valley, California • Long Beach, California • Orange, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2016 · Synced Jul 22, 2026, 2:08 PM EDT