Fetal Magnetic Resonance Imaging: Z-score Reference Ranges for a Large Patient Population in Normal Neuroimaging Measurement

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ENROLLING_BY_INVITATION

Total Enrollment

800 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-01-01

Study Completion Date

2030-12-30

Brief Summary

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This study aims to establish the z score reference ranges of fetal head circumference and other measurement of fetal measurements including biparietal diameter, fronto-occipital diameter, length of the corpus callosum, lateral ventricle, transverse cerebellar diameter, height of the vermis, anteroposterior diameter of the vermis，height and width of normal fetuses from 18 to 40 weeks' gestation.

Method-A cohort-based study was conducted on low-risk singleton pregnancies with healthy fetuses. The measurement was performed using simple 2-dimensional MRI on the typical fetal standard view. The reference ranges were constructed according to gestational age (GA), biparietal diameter (BPD), as independent variables based on the best-fit models, both mean and standard deviation (SD).

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Detailed Description

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Conditions

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Fetal Growth Retardation Fetal Neurodevelopmental Disorder

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Eligibility Criteria

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Inclusion Criteria

* The pregnant women in Born in Guangzhou Cohort Study

Exclusion Criteria

* The fetuses with prenatal diagnosis of congenital heart disease or other congenital diseases.

The fetuses who are high-risk neonates at the delivery.1) preterm infants; (2) infants with extremely low birth weight (ELBW) or who are small for gestational age (SGA);

Minimum Eligible Age

18 Years

Eligible Sex

FEMALE

Accepts Healthy Volunteers

Yes