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Showing 1–24 of 247 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Abortion Clear all
Recruiting Phase 2 Interventional

Using Placental Pathology to Prevent Recurrent Adverse Pregnancy Outcomes: A Pilot Project

NCT06004674
View directory record Official record
Conditions
Adverse Pregnancy Outcome
Interventions
Lovenox 40mg
Drug
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Evanston, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Jul 20, 2026, 1:49 AM EDT
Completed No phase listed Observational

Same-day Long-acting Reversible Contraception for Medication Abortion

NCT01356927
View directory record Official record
Conditions
Abortion; Induced
Interventions
DMPA, Etonogestrel implant
Drug
Lead sponsor
Boston University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Jul 20, 2026, 1:49 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Chart Review Study of Medical Abortion

NCT02841072
View directory record Official record
Conditions
Abortion, Medical
Interventions
Not listed
Lead sponsor
Gynuity Health Projects
Other
Eligibility
Female only
Enrollment
579 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 20, 2016 · Synced Jul 20, 2026, 1:49 AM EDT
Not yet recruiting Not applicable Interventional

Personalized Care for Prenatal Stress Reduction & Prevention of Preterm Birth (PTB) Disparities

NCT06915428
View directory record Official record
Conditions
Preterm Birth Complication, Preterm Birth, Preterm Birth Recurrence, Preeclampsia, Preeclampsia (PE), Hypertensive Disorders of Pregnancy, Support Program, Stress, Resilience, Psychological, Empowerment, Patient, Emotional Stress, Pregnancy, Pregnancy Complications, Pregnancy Induced Hypertension, Neonates and Preterm Infants, Cervical Insufficiency, Social Determinants of Health (SDOH), Cervical Shortening, Disparities in Pregnancy Complications, Disparities, Prenatal Care, Care Coordination
Interventions
Care coordination, Electronic massage, support gift #1, Support gift #2, Support gift #3, Support gift #4, Additional PTBCARE+ support, Stress reduction toolkit - Visit 1 (V1), PTBCARE+ mobile application (app) and website, Sleep, meditation, and Wellness app, Emergency low blood sugar kit, Low dose aspirin (LDA), Visit #2 Stress Reduction Toolkit
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
1,228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 28, 2026 · Synced Jul 20, 2026, 1:49 AM EDT
Terminated Not applicable Interventional

Choice of Modality of Follow up for Medication Abortion

NCT04056637
View directory record Official record
Conditions
Abortion in First Trimester
Interventions
Choice of follow-up option, Multi-level pregnancy test
Other · Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 27, 2020 · Synced Jul 20, 2026, 1:49 AM EDT
Not listed Phase 3 Interventional Accepts healthy volunteers

Mifepristone and Misoprostol for Undesired Pregnancy of Unknown Location

NCT05839899
View directory record Official record
Conditions
Abortion
Interventions
Mifepristone plus one dose Misoprostol, Mifepristone plus two doses Misoprostol
Drug
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 4, 2023 · Synced Jul 20, 2026, 1:49 AM EDT
Completed Not applicable Interventional Results available

Multifactorial Approach to Emergent Cerclage

NCT01114516
View directory record Official record
Conditions
Cervical Insufficiency
Interventions
Indomethacin and antibiotics (cefazolin or clindamycin)
Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 80 Years · Female only
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 6, 2014 · Synced Jul 20, 2026, 1:49 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Simplified Medical Abortion Follow-Up

NCT02524990
View directory record Official record
Conditions
Abortion, Pregnancy Tests
Interventions
Home-based follow-up with SQPT
Behavioral
Lead sponsor
Gynuity Health Projects
Other
Eligibility
11 Years to 56 Years · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Chevy Chase, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2016 · Synced Jul 20, 2026, 1:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitrous Oxide Versus Intravenous Sedation for Anesthesia

NCT02755090
View directory record Official record
Conditions
Pregnancy Termination in Second Trimester
Interventions
Nitrous Oxide, IV Saline
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
2
States / cities
Denver, Colorado • Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Sep 14, 2017 · Synced Jul 20, 2026, 1:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Piloting Use of Multi-Level Pregnancy Tests in Remote Abortion Services

NCT03207880
View directory record Official record
Conditions
Medical Abortion, Complete or Unspecified, Without Complication
Interventions
Multi-level pregnancy test
Device
Lead sponsor
Gynuity Health Projects
Other
Eligibility
Up to 50 Years · Female only
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 26, 2018 · Synced Jul 20, 2026, 1:49 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Uterotonic Prophylaxis Trial

NCT02408965
View directory record Official record
Conditions
Hemorrhage
Interventions
Methergine, placebo
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Female only
Enrollment
284 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 5, 2019 · Synced Jul 20, 2026, 1:49 AM EDT
Active, not recruiting Not applicable Interventional

HELIOS: Human Embryo Illumination to Enhance Development

NCT07311928
View directory record Official record
Conditions
IVF Outcomes
Interventions
Photobiomodulation
Other
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 48 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 24, 2026 · Synced Jul 20, 2026, 1:49 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Assessing Acceptability and Feasibiity of STI Self-swab Testing, to be Offered at the Time of Telemed Medication Abortion Provision

NCT06951438
View directory record Official record
Conditions
Sexually Transmitted Disease (STD), Gonorrhea, Chlamydia, Trichomonas Infection
Interventions
Self-swab collection PCR test for chlamydia, gonorrhea, trichomonas
Diagnostic Test
Lead sponsor
Queen's Medical Center
Other
Eligibility
14 Years and older · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Jul 20, 2026, 1:49 AM EDT
Completed Not applicable Interventional Results available

Insertion of an Intrauterine Device (IUD) After Medical Abortion

NCT00621543
View directory record Official record
Conditions
Intrauterine Device Expulsion, Medical Abortion, Induced Abortion
Interventions
IUD insertion [Copper T-380A or Levonorgestrel (intrauterine system) IUS]
Device
Lead sponsor
Boston University
Other
Eligibility
18 Years to 64 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Boston, Massachusetts • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 13, 2011 · Synced Jul 20, 2026, 1:49 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Endometrial Basis for Infertility in Women With Recurrent Implantation Failure and Pregnancy Loss

NCT04939064
View directory record Official record
Conditions
Normal Endometrial Physiology
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
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 21, 2024 · Synced Jul 20, 2026, 1:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Paracervical Versus Intracervical Lidocaine

NCT00816751
View directory record Official record
Conditions
Abortion, Induced, Pain
Interventions
Paracervical block, Intracervical, Buffered Lidocaine, vasopressin, sodium bicarbonate
Procedure · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older · Female only
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Jul 20, 2026, 1:49 AM EDT
Terminated Phase 3 Interventional Results available

MisOpRostol Effect on Second Trimester Abortion Blood Loss

NCT06078501
View directory record Official record
Conditions
Blood Loss, Surgical, Second Trimester Abortion
Interventions
Misoprostol 400mcg buccal, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Aug 23, 2025 · Synced Jul 20, 2026, 1:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

OPIOID Study - Pain With Osmotic Dilators

NCT03710239
View directory record Official record
Conditions
Abortion in Second Trimester
Interventions
Dilapan-S, Laminaria
Device
Lead sponsor
Albany Medical College
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Albany, New York
Source: ClinicalTrials.gov public record
Updated Mar 15, 2020 · Synced Jul 20, 2026, 1:49 AM 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 20, 2026, 1:49 AM EDT
Withdrawn Phase 2Phase 3 Interventional

Perioperative Dexmedetomidine to Reduce Post-procedure Grief Following Second-trimester Dilation and Evacuation

NCT07537894
View directory record Official record
Conditions
Abortion, Stillbirth, PTSD (Childbirth-Related), Grief (Traumatic Grief and Existential Grief)
Interventions
Dexmedetomidine (IV) 0.5 mcg/kg, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Jul 20, 2026, 1:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

RCT: Can a Single Counseling Phone Call Improve Contraception After an Abortion?

NCT01199952
View directory record Official record
Conditions
Contraception
Interventions
Treatment group: receives counseling phone call intervention
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
15 Years and older · Female only
Enrollment
207 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced Jul 20, 2026, 1:49 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cervical Preparation for Same-Day Dilation & Evacuation

NCT06799052
View directory record Official record
Conditions
Abortion, Second Trimester, Procedural Pain, Procedural Complication
Interventions
Transcervical single-balloon catheter, Synthetic osmotic dilators
Device
Lead sponsor
Boston Medical Center
Other
Eligibility
16 Years and older · Female only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Jul 20, 2026, 1:49 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Assessing the Endometrial Environment in Recurrent Pregnancy Loss and Unexplained Infertility

NCT03401918
View directory record Official record
Conditions
Recurrent Pregnancy Loss, Unexplained Infertility
Interventions
Uterine ERA and microbiome testing, Oral antibiotics and vaginal probiotics
Diagnostic Test · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Sunnyvale, California
Source: ClinicalTrials.gov public record
Updated Mar 31, 2025 · Synced Jul 20, 2026, 1:49 AM 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 20, 2026, 1:49 AM EDT