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Trans-cerebellar Diameter and Placental Thickness in Third Trimesteric Pregnant Women for Calculation of Gestational Age

Accuracy of Trans-cerebellar Diameter and Placental Thickness in Third Trimesteric Pregnant Women for Calculation of Gestational Age: Prospective Study

Status
UNKNOWN
Phases
Unknown
Study type
Observational
Source
ClinicalTrials.gov
Registry ID
NCT04240041
Enrollment
100
Registered
2020-01-27
Start date
2019-07-10
Completion date
2020-07-31
Last updated
2020-01-27

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Gestational Age and Weight Conditions

Brief summary

Pregnant women at 32-36 weeks gestational age with sure gestational dating (based in both last menstrual period and dating ultrasound) and otherwise normal singleton pregnancy will be recruited. Ultrasonographic estimation of gestational age using combined transcerebellar diameter and placental thickness will be compared to the actual estimated gestational age.

Interventions

DIAGNOSTIC_TESTTranscerebellar diamater

Using SAMSUNG H60 convex probe 2-8 MHz Machine by the same sonographer, trans-cerebellar diameter is identified by obtaining an oblique view through posterior fossa that included visualization of midline thalamus, cerebellar hemispheres and cisterna magna.

DIAGNOSTIC_TESTPlacental thickness

Using SAMSUNG H60 convex probe 2-8 MHz Machine by the same sonographer, placental thickness will be measured at the level of the umbilical cord insertion excluding the myometrium and sub-placental veins

Sponsors

Ain Shams University
Lead SponsorOTHER

Study design

Observational model
COHORT
Time perspective
CROSS_SECTIONAL

Eligibility

Sex/Gender
FEMALE
Age
20 Years to 39 Years
Healthy volunteers
No

Inclusion criteria

* Sure of dates * Have dating ultrasound with crown rump length between (9 to 12 )weeks * No hormonal contraception 3 months before conception. * Regular menstrual cycles. * Medically free. * Single pregnancy * Gestational age 32-36 weeks

Exclusion criteria

* Irregular menstrual cycles and not sure of dates * Multiple pregnancy. * Fetal anomalies. * Placenta previa, placental anomalies and poor visualization of the placenta * Fetal growth restriction * Pregnant women with medical disorder e.g. diabetes mellitus, Pre-eclampsia, Systemic lupus erythromatosis, hypertension.

Design outcomes

Primary

MeasureTime frameDescription
Concordance between estimated gestational age and combined transcerebellar diameter and placental thickness estimation32-36 weeks gestational ageConcordance between the estimated gestational age using last menstrual period and dating ultrasound; and that estimated using combination of transcerebellar diameter and placental thickness

Countries

Egypt

Contacts

Primary ContactAyat Allah Mahmoud, MB BCh
Drayaghoneim15@gmail.com01030717379

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026