Effect of mild pressure applied by the ultrasound transducer on fetal cephalic measurements at 20-24 weeks' gestation.
Fetal Diagn Ther
; 36(1): 69-73, 2014.
Article
en En
| MEDLINE
| ID: mdl-24902888
ABSTRACT
INTRODUCTION:
The aim of this study was to assess the effect of mild pressure applied on the abdominal wall by the ultrasound transducer on fetal cephalic indices. MATERIAL ANDMETHODS:
We examined by ultrasound 60 fetuses of healthy women, at 20-24 weeks of pregnancy, during routine prenatal evaluation. For every fetus biparietal diameter and head circumference were measured, with and without applying mild pressure by the ultrasound transducer. The weight and gestational age (GA) were calculated.RESULTS:
The pressure applied by the transducer had a significant effect on the cephalic indices and on the weight and GA evaluations (p < 0.001). Fetal positioning significantly affected the impact that applied pressure had on head circumference and on the weight evaluation derived from it (p < 0.05).DISCUSSION:
Applied pressure by an abdominal ultrasound probe affects cephalic indices and the derived weight and GA estimations. This may lead to incorrect diagnoses or hide pathological findings. The effect of applied pressure depends on fetal positioning. The examiner must be aware of this effect when evaluating the results of the measurements.
Texto completo:
1
Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Segundo Trimestre del Embarazo
/
Transductores
/
Ultrasonografía Prenatal
/
Edad Gestacional
/
Peso Fetal
/
Cabeza
Tipo de estudio:
Diagnostic_studies
Límite:
Female
/
Humans
/
Male
/
Pregnancy
Idioma:
En
Revista:
Fetal Diagn Ther
Asunto de la revista:
DIAGNOSTICO POR IMAGEM
/
OBSTETRICIA
/
PERINATOLOGIA
Año:
2014
Tipo del documento:
Article
País de afiliación:
Israel