- Conditions
- Twin; Pregnancy, Affecting Fetus or Newborn, Fetal Growth Retardation, Twin Monochorionic Diamniotic Placenta, Twin Diseases
- Interventions
- Ultrasound
- Diagnostic Test
- Lead sponsor
- Leiden University Medical Center
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 274 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2028
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
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Showing 1–8
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- Conditions
- Fetal Conditions, Maternal; Procedure, Pregnancy Related, Twin to Twin Transfusion Syndrome, In Utero Procedure Affecting Fetus or Newborn, Chorion; Abnormal, Twin Reversal Arterial Perfusion Syndrome, Twin Monochorionic Monoamniotic Placenta, Chorioangioma, Vasa Previa
- Interventions
- Karl Storz Curved Scope, Karl Storz Straight Scope
- Device
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Normal Pregnancy
- Interventions
- Not listed
- Lead sponsor
- National Cancer Institute (NCI)
- NIH
- Eligibility
- 18 Years to 60 Years · Female only
- Enrollment
- 111 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2020
- U.S. locations
- 1
- States / cities
- Hanover, New Hampshire
- Conditions
- High Risk Pregnancy, Congenital Heart Disease, Fetal Hydrops, Twin Monochorionic Monoamniotic Placenta, Gastroschisis, Fetal Demise, Stillbirth, Fetal Arrhythmia, Long QT Syndrome, Intrauterine Fetal Death, Sudden Infant Death, Pregnancy Loss, Twin Twin Transfusion Syndrome, Birth Defect, Fetal Cardiac Anomaly, Fetal Cardiac Disorder, Fetal Death, Brugada Syndrome, Fetal Tachycardia
- Interventions
- Fetal Magnetocardiogram and Neonatal Electrocardiogram, Substudy only: Maternal/Infant Pharmacogenomic assessment postnatally
- Diagnostic Test · Genetic
- Lead sponsor
- Medical College of Wisconsin
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2028
- U.S. locations
- 2
- States / cities
- Madison, Wisconsin • Milwaukee, Wisconsin
- Conditions
- Twin Monochorionic Diamniotic Placenta
- Interventions
- Fetoscopy Sets for Anterior and Posterior Placentas
- Device
- Lead sponsor
- Michael A Belfort
- Other
- Eligibility
- 18 Years and older · Female only
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Monochorionic Diamniotic Placenta, Monochorial Monoamniotic Placenta, Twin; Complicating Pregnancy, Twin to Twin Transfusion Syndrome, Twin Reversal Arterial Perfusion Syndrome
- Interventions
- Not listed
- Lead sponsor
- University of Miami
- Other
- Eligibility
- Not listed
- Enrollment
- 1,200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Monochorionic Diamniotic Placenta, Monochorial Monoamniotic Placenta, Monochorionic Twins, Ultrasound Doppler, Ultrasound, Pregnancy, Twin Pregnancy, Monochorionic, Twin Twin Transfusion Syndrome
- Interventions
- Verasonics Vantage 256 Ultrasound
- Device
- Lead sponsor
- Carilion Clinic
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2029
- U.S. locations
- 1
- States / cities
- Roanoke, Virginia
- Conditions
- Intrauterine Growth Retardation
- Interventions
- selective laser photocoagulation of communicating vessels, Expected Management
- Procedure · Device
- Lead sponsor
- University of South Florida
- Other
- Eligibility
- 18 Years to 55 Years · Female only
- Enrollment
- 5 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2009
- U.S. locations
- 2
- States / cities
- Los Angeles, California • Tampa, Florida