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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: First Trimester Pregnancy Clear all
Completed No phase listed Observational Accepts healthy volunteers Results available

A Comparison of Continuation Rates for Three Hormonal Contraceptive Methods

NCT00253019
View directory record Official record
Conditions
Contraception
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
13 Years to 45 Years · Female only
Enrollment
321 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2013 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Lidocaine and Pain Management in First Trimester Abortions

NCT00613821
View directory record Official record
Conditions
Pain
Interventions
Lidocaine
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
2
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 30, 2017 · Synced Jul 21, 2026, 9:26 PM EDT
Recruiting Not applicable Interventional

Alternate Nostril Breathing (ANB) for 1st Trimester Nausea and Vomiting

NCT07378839
View directory record Official record
Conditions
Pregnancy Emesis, Nausea
Interventions
Alternate Nostril Breathing
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Comparing Buccal and Vaginal Misoprostol in Management of Early Pregnancy Loss

NCT02141555
View directory record Official record
Conditions
Spontaneous Abortion in First Trimester
Interventions
Vaginal Misoprostol, Buccal Misoprostol
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
La Jolla, California • San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 14, 2019 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Not applicable Interventional

Non-Pharmacologic Patient Centered Pain Control Adjuncts During First Trimester Abortion

NCT02590146
View directory record Official record
Conditions
Pregnancy Termination, Pain Management
Interventions
Non-pharmacologic pain control adjuncts
Behavioral
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older · Female only
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced Jul 21, 2026, 9:26 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Research on Equity in Abortion Care by TeleHealth

NCT06787274
View directory record Official record
Conditions
Abortion in First Trimester, Abortion Early, Abortion; Attempted
Interventions
Not listed
Lead sponsor
University of California, San Francisco
Other
Eligibility
14 Years to 64 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Apr 7, 2026 · Synced Jul 21, 2026, 9:26 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers

Mifepristone and Two Doses of Misoprostol for Abortion at 11&12 Weeks

NCT05119439
View directory record Official record
Conditions
Medical Abortion
Interventions
Mifepristone + 2 doses of misoprostol 800 mcg
Drug
Lead sponsor
Gynuity Health Projects
Other
Eligibility
11 Years to 55 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
6
States / cities
Hilo, Hawaii • Honolulu, Hawaii • Saint Paul, Minnesota + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 24, 2023 · Synced Jul 21, 2026, 9:26 PM EDT
Completed No phase listed Observational

Thromboelastometry Prediction Utility for Risk of Abortion

NCT03548701
View directory record Official record
Conditions
Pregnancy Trimester, First, Abortion, Threatened
Interventions
Thromboelastometry testing
Diagnostic Test
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 31, 2020 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

CCT-102 or Expectant Management in Delayed Pregnancy Loss

NCT06121063
View directory record Official record
Conditions
Early Pregnancy Loss, Delayed Pregnancy Loss
Interventions
CCT-102 A and CCT-102 B
Combination Product
Lead sponsor
Conceptra Biosciences, LLC
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
15
States / cities
Tucson, Arizona • San Fernando, California • Panama City, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2025 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intranasal Fentanyl for Pain Control During First-Trimester Uterine Aspiration

NCT03057041
View directory record Official record
Conditions
Pain Uterus
Interventions
Fentanyl, placebo
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
14 Years and older · Female only
Enrollment
107 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Honolulu, Hawaii • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

4% Intrauterine Lidocaine Infusion for Pain Management in First Trimester Abortions

NCT00121329
View directory record Official record
Conditions
Pain
Interventions
Intrauterine lidocaine infusion 4%
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Ends 2004
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jul 20, 2005 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Buffered Lidocaine in Paracervical Blocks

NCT03107754
View directory record Official record
Conditions
Pain
Interventions
Lidocaine, Lidocaine-Sodium Bicarbonate
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
14 Years and older · Female only
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Jan 4, 2021 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Phase 4 Interventional

Immediate Versus Delayed Intrauterine Device (IUD) Insertion Following First Trimester Suction Aspiration Procedures

NCT00562276
View directory record Official record
Conditions
Contraception
Interventions
Immediate IUD insertion
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older · Female only
Enrollment
578 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
3
States / cities
Atlanta, Georgia • Albuquerque, New Mexico • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 13, 2012 · Synced Jul 21, 2026, 9:26 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Mifepristone vs Misoprostol

NCT06502158
View directory record Official record
Conditions
Cervical Preparation
Interventions
Mifepristone, Misoprostol
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

An Interactive Informed Consent and Education Program for Pregnant Women

NCT01176019
View directory record Official record
Conditions
Pregnancy, Down Syndrome
Interventions
Information about Prenatal Screening and Diagnosis
Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 6, 2014 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Treating Prediabetes in the First Trimester

NCT01926457
View directory record Official record
Conditions
Prediabetes, Gestational Diabetes
Interventions
Treatment of Prediabetes
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2018 · Synced Jul 21, 2026, 9:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Understanding Women's Contraceptive Expectations at the Time of a First Trimester Surgical Abortion

NCT01807715
View directory record Official record
Conditions
Contraception, Abortion
Interventions
survey
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2023 · Synced Jul 21, 2026, 9:26 PM EDT
Completed No phase listed Observational

Evaluation of Fetal Sex in Assisted Reproductive Technology (ART) Achieved Pregnancies

NCT01021085
View directory record Official record
Conditions
Fetal Sex Determination
Interventions
Not listed
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
3
States / cities
San Diego, California • Glenview, Illinois • Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Sep 4, 2011 · Synced Jul 21, 2026, 9:26 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Patient Preferences in Anesthesia for Abortion Care

NCT03030443
View directory record Official record
Conditions
Pregnancy Termination in First Trimester
Interventions
Not listed
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated May 30, 2023 · Synced Jul 21, 2026, 9:26 PM EDT
Recruiting Not applicable Interventional

Virtual Reality as a Method for Pain and Anxiety Control During First Trimester Procedural Abortion

NCT07288047
View directory record Official record
Conditions
Abortion, First Trimester, Pain Management, Pain After Surgery, Satisfaction, Satisfaction With Care, Anxiety After Surgery
Interventions
VR headset, Usual Care
Device · Other
Lead sponsor
Study Investigator
Other
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Not applicable Interventional Results available

Transcutaneous Electrical Nerve Stimulation (TENS) for Pain Control During First Trimester Abortion

NCT03187002
View directory record Official record
Conditions
Abortion in First Trimester
Interventions
Transcutaneous electrical nerve stimulation (TENS), Moderate IV Sedation, SHAM: Transcutaneous electrical nerve stimulation (TENS), SHAM: Moderate IV Sedation
Device · Drug · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
109 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Jose, California
Source: ClinicalTrials.gov public record
Updated Nov 1, 2020 · Synced Jul 21, 2026, 9:26 PM EDT
Recruiting Phase 2 Interventional

Letrozole and Misoprostol for Early Pregnancy Loss Management

NCT06452719
View directory record Official record
Conditions
Early Pregnancy Loss, Miscarriage in First Trimester, Miscarriage
Interventions
Letrozole, Misoprostol
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 4, 2025 · Synced Jul 21, 2026, 9:26 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Paracervical Block in First Trimester Surgical Abortions

NCT00617097
View directory record Official record
Conditions
Pain, Surgical Abortion
Interventions
lidocaine, ketorolac and lidocaine
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Jul 21, 2026, 9:26 PM EDT
Completed No phase listed Observational

Non-invasive Chromosomal Examination of Trisomy Study

NCT01511458
View directory record Official record
Conditions
Trisomy 21
Interventions
Not listed
Lead sponsor
Roche Sequencing Solutions
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
18,955 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
26
States / cities
Tucson, Arizona • Oakland, California • Palo Alto, California + 20 more
Source: ClinicalTrials.gov public record
Updated Jul 13, 2014 · Synced Jul 21, 2026, 9:26 PM EDT