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ULTRASONOGRAPHIC MEASUREMENT OF MATERNAL RENAL PELVIS DURING 20TH TO 40TH WEEKS OF PREGNANCY IN ASYMPTOMATIC WOMEN

Iqra Yasin, Dr Raham Bacha, Dr Arif Mahmood, Miss Mehreen Fatima, Sheza Waseem

Background: Renal pelvis dilation (RPD) during pregnancy is a common physiologic process and should be differentiated from pathological dilation. Ultrasound can be used as an initial imaging modality in the evaluation of renal pelvis measurement. Objective: To find the ultrasonographic measurement of maternal renal pelvis at 20th to 40th week of pregnancy in asymptomatic women. Methodology: A descriptive study was conducted among 262 individuals. All were pregnant within the gestational age of 20th -40th weeks. Sonotech 2019 was used to perform this research to determine the measurement of maternal renal pelvis. Renal pelvis dilation was evaluated trans-abdominally by using convex array multi-frequency probe 5 MHz Results: Dilation was more prominent in right renal pelvis than left renal pelvis. The maximum renal pelvis measurements were 29 mm on the right side in the 2nd trimester and 32 mm in the 3rd trimester. Similarly, the maximum renal pelvis measurements were 9 mm on the left side in the 2nd trimester and 7.3 mm in the 3rd trimester. Renal pelvis dilation increases with gestational age. Fetus who had cephalic presentation and anterior placenta implantation were seen with more maternal RPD. Conclusion: The current research concluded that renal pelvis dilation is common in pregnancy and it is more prominent on right side than the left side. Cephalic presentation of fetus could be a factor of RPD. Key words: Ultrasound (US), Renal Pelvis Dilation (RPD), Maternal, Gestational Age(GA)