The Role of Fetal Ductus Arteriosus in Predicting Spontaneous Labour at Term
NCT03073460 · Status: WITHDRAWN · Phase: NA · Type: INTERVENTIONAL
Last updated 2020-04-30
Summary
The exact mechanism stimulating the parturition in humans is still relatively unknown. Prostaglandins, by mediating cervical ripening and early stimulation of myometrial contractions, are likely to play a major role in the parturition process. Much of the unique fetal circulation is facilitated by the ductus arteriosus. Patency of the ductus arteriosus in utero is primarily maintained via prostaglandins which are highly expressed by smooth muscle cells located in the media of the ductus arteriosus. The aim of the study is to prospectively observe fetal ultrasound changes related to the ductus arteriosus. The primary objective is to prospectively assess, whether any changes in the fetal ductus arteriosus parameters exist at 40 weeks' gestation. The secondary objective is to investigate whether there is an association between the ductus arteriosus parameters and the time to delivery interval at 40 weeks' gestation.
Conditions
- Ductus Arteriosus
Interventions
- OTHER
-
Ultrasound examination
This exam is performed at 40 weeks gestation
Sponsors & Collaborators
-
Unity Health Toronto
lead OTHER
Principal Investigators
-
Howard Berger, MD · Unity Health Toronto
Study Design
- Allocation
- NA
- Purpose
- DIAGNOSTIC
- Masking
- NONE
- Model
- SINGLE_GROUP
Eligibility
- Sex
- FEMALE
- Healthy Volunteers
- No
Timeline & Regulatory
- Start
- 2016-06-02
- Primary Completion
- 2020-03-28
- Completion
- 2020-03-28
More Related Trials
-
Uterine Artery Doppler Changes
NCT03064698 ·Status: UNKNOWN
-
Evaluation of a Novel Diagnostic Kit for the Detection of Placental Alpha-Microglobulin-1 in the Prediction of Preterm Birth in Women Presenting With Signs and Symptoms of Preterm Labor
NCT05742997 ·Status: UNKNOWN ·Phase: NA
-
Fetal Aortic Pulsewave Velocity: A Novel Doppler Ultrasound Method of Measuring the Biophysical Properties of the Fetal Aorta
NCT00359034 ·Status: WITHDRAWN
-
Sonographic Prediction of Preterm Delivery Between 24-34 Weeks of Gestation
NCT00613210 ·Status: UNKNOWN
-
Maternal Uterine Artery Doppler Study
NCT01698957 ·Status: COMPLETED
-
Interest of Measuring Lung Elasticity ELASTOgraphy in the Fetus in the Case of PreMAture Childbirth Threat
NCT02870608 ·Status: COMPLETED ·Phase: NA
-
Placental Vasculature for Prediction of Recurrent Fetal Growth Restriction
NCT04399174 ·Status: COMPLETED
-
Doppler Findings in the Fetal Cerebral Blood Vessels (VA/MCA) Within 24 Hours Before Delivery and Relation With Perinatal Outcome.
NCT05599178 ·Status: RECRUITING
-
The Use of Fetal Fibronectin to Predict Delivery Due to Abruptio Placenta
NCT01279369 ·Status: TERMINATED
-
Biomarkers Associated With Spontaneous Preterm Birth Less Than 32 Wks Gestation
NCT02317315 ·Status: COMPLETED
-
Evaluation of Fetal Cardiac Function and Vascular Hemodynamics in Intrauterine Growth Restriction
NCT03108040 ·Status: COMPLETED
-
Prenatal Sonographic Prediction of Placental Histology and Function
NCT06022458 ·Status: RECRUITING
-
Procalcitonin and Threatened Premature Delivery
NCT01977079 ·Status: TERMINATED ·Phase: NA
-
Uterocervical Angle in Prediction of Preterm Labor
NCT05632003 ·Status: COMPLETED
-
Repeat Antenatal Corticosteroids
NCT03133104 ·Status: COMPLETED
-
Interest of a Vaginal Swab in Detection of Placental Alpha-Microglobulin-1 in the Prediction of Preterm Birth
NCT03401255 ·Status: COMPLETED
-
Fetal Heart Rate Variability and Fetal Growth Restriction
NCT04288037 ·Status: UNKNOWN
-
Doppler at the Diagnosis in Predicting Perinatal Outcomes in Early and Late-onset Fetal Growth Restriction
NCT05696223 ·Status: COMPLETED
-
Fetal Doppler Indices in Predicting Perinatal Outcome Among Severely Hypertensive Pregnant Patients.
NCT03515759 ·Status: COMPLETED
-
Fetal Distribution of Feto-placental Blood Flow Related to Placental Nutrient Transport and Maternal Food Intake
NCT04215107 ·Status: UNKNOWN ·Phase: NA
-
Validation of Ultrasound in Predicting a Low Lying Placenta Throughout Pregnancy
NCT02689739 ·Status: WITHDRAWN
-
PREDICTION OF FLUID RESPONSIVENESS WITH PASSIVE LEG RISING IN PREGNANT PATIENTS WITH SEVERE PREECLAMPSIA
NCT03755843 ·Status: COMPLETED
-
Assessment of the Number of Umbilical Cord Vessels at the Time of Nuchal Translucency Screening
NCT01367132 ·Status: COMPLETED
-
Placental Imaging Techniques
NCT06861309 ·Status: RECRUITING ·Phase: NA
-
Diastolic Deceleration Area in Early-onset FGR
NCT05820464 ·Status: UNKNOWN