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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: amniocentesis Clear all
Completed No phase listed Observational

Non-Invasive Screening for Fetal Aneuploidy

NCT00847990
View directory record Official record
Conditions
Down Syndrome, Edwards Syndrome
Interventions
Maternal blood screening test for fetal aneuploidy
Other
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
25
States / cities
Mesa, Arizona • Phoenix, Arizona • Tucson, Arizona + 18 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2011 · Synced Sep 5, 2026, 9:56 PM EDT
Completed No phase listed Observational

A New Prenatal Blood Test for Down Syndrome

NCT00877292
View directory record Official record
Conditions
Down Syndrome, Trisomy 21
Interventions
Not listed
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years and older · Female only
Enrollment
4,664 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
12
States / cities
Birmingham, Alabama • Los Angeles, California • New Haven, Connecticut + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Sep 5, 2026, 9:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Non-invasive Prenatal Diagnostic Validation Study

NCT01574781
View directory record Official record
Conditions
Chromosome 13 Aneuploidy, Chromosome 18 Aneuploidy, Chromosome 21 Aneuploidy, Sex Chromosome Aberrations, Other Microdeletions
Interventions
Blood draw, Cheek swab/Saliva Sampling
Procedure
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,781 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Redwood City, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2013 · Synced Sep 5, 2026, 9:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Local Anesthesia and Pain Perception During an Amniocentesis

NCT00583011
View directory record Official record
Conditions
Pregnancy
Interventions
Local Anesthesia, Placebo Group
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 2, 2021 · Synced Sep 5, 2026, 9:56 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 Sep 5, 2026, 9:56 PM EDT
Completed No phase listed Observational

Noninvasive Screening for Fetal Aneuploidy: A New Maternal Plasma Marker

NCT00971334
View directory record Official record
Conditions
Pregnancy, Aneuploidy, Down Syndrome, Edwards Syndrome
Interventions
Not listed
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
2,502 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
30
States / cities
Mobile, Alabama • La Mesa, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 16, 2012 · Synced Sep 5, 2026, 9:56 PM EDT
Terminated No phase listed Observational

Noninvasive Prenatal Testing

NCT02586428
View directory record Official record
Conditions
Genetic Counseling
Interventions
what patients elect noninvasive prenatal testing (NIPT)
Other
Lead sponsor
St. Louis University
Other
Eligibility
14 Years to 55 Years · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 13, 2016 · Synced Sep 5, 2026, 9:56 PM EDT
Completed No phase listed Observational

Whole Exome Sequencing and Whole Genome Sequencing for Nonimmune Fetal/Neonatal Hydrops

NCT03911531
View directory record Official record
Conditions
Nonimmune Fetal Hydrops, Nonimmune Hydrops in Neonate, Genetic Disorders
Interventions
Whole Exome Sequencing, Whole Genome Sequencing
Diagnostic Test
Lead sponsor
Thomas Jefferson University
Other
Eligibility
16 Years to 55 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 5, 2026, 9:56 PM EDT
Completed Not applicable Interventional

Extended Criteria For Fetal Myelomeningocele Repair

NCT02664207
View directory record Official record
Conditions
Obesity, Myelomeningocele, Pregnancy, Diabetes Mellitus in Pregnancy, Fetal Anomaly
Interventions
Open Fetal Repair of Myelomeningocele
Procedure
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Sep 5, 2026, 9:56 PM EDT
Completed Phase 1Phase 2 Interventional

N-acetylcysteine in Intra-amniotic Infection/Inflammation

NCT00397735
View directory record Official record
Conditions
Labor, Premature, Preterm Premature Rupture of the Membranes, Infection, Inflammation, Chorioamnionitis
Interventions
amniocentesis, N-acetylcysteine or placebo
Procedure · Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older · Female only
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2018
U.S. locations
2
States / cities
New Haven, Connecticut • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 9, 2018 · Synced Sep 5, 2026, 9:56 PM EDT
Terminated No phase listed Observational

Amniotic Fluid Tandem Mass Spectrometry for Pregnancies Complicated by NIH and Severe Symmetrical IUGR

NCT00143039
View directory record Official record
Conditions
Hydrops Fetalis, Fetal Growth Retardation
Interventions
Tandem MS test for inborn errors of metabolism
Procedure
Lead sponsor
Obstetrix Medical Group
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
11
States / cities
Phoenix, Arizona • Laguna Hills, California • Long Beach, California + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2014 · Synced Sep 5, 2026, 9:56 PM EDT
Completed No phase listed Observational

VAlidation of a Lower Cost aneUploidy scrEen

NCT03087357
View directory record Official record
Conditions
Down Syndrome, Trisomy 18, Trisomy 13
Interventions
SmartNIPT
Other
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years and older · Female only
Enrollment
2,443 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
13
States / cities
Los Angeles, California • Aurora, Colorado • Bridgeport, Connecticut + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2022 · Synced Sep 5, 2026, 9:56 PM EDT
Completed No phase listed Observational

Invasive Prenatal Testing Decisions in Pregnancy After Infertility

NCT00341822
View directory record Official record
Conditions
Pregnancy
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
35 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 5, 2026, 9:56 PM EDT
Not listed No phase listed Observational

Turner Syndrome Prenatal Diagnosis Study

NCT01668251
View directory record Official record
Conditions
Turner Syndrome
Interventions
Not listed
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
Up to 3 Months · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 19, 2012 · Synced Sep 5, 2026, 9:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Non-Invasive Chromosomal Evaluation of Trisomy Study

NCT02201862
View directory record Official record
Conditions
Aneuploidy, Trisomy 21, Trisomy 18, Trisomy 13, Down Syndrome
Interventions
Not listed
Lead sponsor
Cindy Cisneros
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
3
States / cities
San Diego, California • Oaks, Pennsylvania • Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 29, 2020 · Synced Sep 5, 2026, 9:56 PM EDT
Not listed No phase listed Observational

Non-Invasive Screening for Fetal Aneuploidy

NCT02317965
View directory record Official record
Conditions
Down Syndrome, Edwards Syndrome
Interventions
Maternal Blood Draw
Other
Lead sponsor
Progenity, Inc.
Industry
Eligibility
18 Years to 54 Years · Female only
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
10
States / cities
Campbell, California • Long Beach, California • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 27, 2018 · Synced Sep 5, 2026, 9:56 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Development of an Optimal Approach to Return of Results for Next-generation Sequencing for Prenatal Diagnosis

NCT02255825
View directory record Official record
Conditions
Major Fetal Anomaly
Interventions
Whole Genome Sequencing, Amniocentesis, Psychosocial assessment
Genetic · Procedure · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 5, 2019 · Synced Sep 5, 2026, 9:56 PM EDT
Completed Not applicable Interventional

Impact of a Mobile App on Pregnant Women's Prenatal Genetic Testing Decision-making

NCT05055700
View directory record Official record
Conditions
Pregnant Women, Mobile Applications, Genetic Testing, Prenatal Care
Interventions
Mobile app with prenatal genetic testing information
Behavioral
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older · Female only
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Corpus Christi, Texas
Source: ClinicalTrials.gov public record
Updated Sep 28, 2025 · Synced Sep 5, 2026, 9:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Decision Assisting Tool for Prenatal Testing

NCT00686062
View directory record Official record
Conditions
Pregnancy
Interventions
Control - computerized age-appropriate prenatal testing educational brochure, PT Tool - interactive, computerized, prenatal testing decision tool
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
16 Years to 50 Years · Female only
Enrollment
494 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 28, 2008 · Synced Sep 5, 2026, 9:56 PM EDT
Completed No phase listed Observational

Noninvasive Screening for Affected Pregnancies: Assay Development & Optimization in Affected Pregnancies

NCT01052688
View directory record Official record
Conditions
Down Syndrome, Aneuploidy
Interventions
Maternal blood draw of 30 to 50ml
Other
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
10
States / cities
Phoenix, Arizona • San Diego, California • Washington D.C., District of Columbia + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 19, 2021 · Synced Sep 5, 2026, 9:56 PM EDT
Completed No phase listed Observational

Prenatal Screening For Smith-Lemli-Opitz Syndrome

NCT00070850
View directory record Official record
Conditions
Smith-Lemli-Opitz Syndrome, Pregnancy
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Female only
Enrollment
1,800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2005
U.S. locations
1
States / cities
Scarborough, Maine
Source: ClinicalTrials.gov public record
Updated Jul 1, 2007 · Synced Sep 5, 2026, 9:56 PM EDT