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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.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Pregnant women at 32-36 weeks gestational age | Pregnant women at 32-36 weeks gestational age with sure dates and crown-rump length dating ultrasound |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Transcerebellar diamater | Diagnostic Test | 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. |
| Measure | Description | Time Frame |
|---|---|---|
| Concordance between estimated gestational age and combined transcerebellar diameter and placental thickness estimation | Concordance between the estimated gestational age using last menstrual period and dating ultrasound; and that estimated using combination of transcerebellar diameter and placental thickness | 32-36 weeks gestational age |
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Inclusion Criteria:
Exclusion Criteria:
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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
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Ayat Allah Mahmoud, MB BCh | Contact | 01030717379 | Drayaghoneim15@gmail.com |
| Name | Affiliation | Role |
|---|---|---|
| Ayat Allah Mahmoud, MB BCh | Resident of Obstetrics & Gynecology | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Ain Shams Maternity Hospital | Recruiting | Cairo | Abbsia | 002 | Egypt |
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| Placental thickness | Diagnostic Test | 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 |
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