The Songraphic Measurement of Retroplacental Thickness in the Second and Third Trimesters

Assessment of thickness of the retroplacental zone of normal pregnancies with ultrasound provides important clinical data as there were several placental disorders their diagnosis depend on the size and presence or absence of this vital region. The study aims to assess the normal thickness using ultrasound in order to help diagnosis of placental diseases. There were 100 normal pregnancies had been selected for the study. They had been scanned with ultrasound using the obstetric protocol. The retroplacental hypoechoic area was determined and the thickness had been measured. The results showed that the retroplacental thickness of Sudanese preganancies lies within the normal range, the mean value was 10.239mm. The retroplacental thickness increases as maternal age advances and also increases with increasing growth of the fetal gestational age. It was observed the retroplacental thickness changed significantly with gravida status.