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Fetal Cisterna Magna Length
+1

Influence of Imaging Angle in Measurement of Cisterna Magna

Sponsored by Hospital Universitario Dr. Jose E. Gonzalez

About this trial

Last updated 6 years ago

Study ID

GI19-00010

Status

Completed

Type

Observational

Placebo

No

Accepting

18-75 Years
All
Female
Female

Trial Timing

Ended 6 years ago

What is this trial about?

The aim of this study is to determine the effect of imaging angle on the measurement of fetal cisterna magna (CM) in the second trimester. Fetal CM will be prospectively measured in women at 18-24.6 weeks' gestation. Measurements will be made on different angles between the transducer and fetal cerebellar axial plane with internal landmarks. Design: Observative, cross sectional

What are the participation requirements?

Yes

Inclusion Criteria

- Pregnant women between the 18th and 24th weeks.

- Confirmed gestational age by regular menstrual cycle or determined from crown- rump length at first trimester ultrasonography for those with unknown menstruation date .

No

Exclusion Criteria

- Uncertain gestational age

- Twin or multiple pregnancy.

- Increased risk for aneuploidy determined by first trimester screening.

- Absence of intracranial translucency in first trimester ultrasound examination.

- Fetal malformations identified EXCEPT megacisterna magna.

- Karyotype anomaly.

- Chronic maternal diseases such as arterial hypertension, diabetes mellitus, hypothyroidism and hyperthyroidism.

- Failure to obtain accurate measurement for technical reasons.

Locations

Location

Status