Ultrasound is the best way to detect the cause of kidney dilatation in the fetus. During each milestone of pregnancy, through ultrasound, abnormalities in the baby's urinary system will be detected based on the amount of amniotic fluid in the mother.

Fetal renal pelvis dilatation is the most common abnormal sign in prenatal ultrasound diagnosis. Most cases of fetal renal pelvis dilatation are not dangerous, only need regular check-ups to monitor throughout the 40 weeks of pregnancy.

Horseshoe kidney is the most common congenital malformation of the kidneys in children and is more common in boys than girls. The cause of horseshoe kidney disease is often unknown, the disease has many complications that significantly affect health.

Hip pain is a typical symptom of ureteral stones and is also a symptom of many other diseases. There are many diagnostic methods, however, 64-slice CT scan is considered the method that allows accurate diagnosis of ureteral stones.