Sep 19, 2022 · Pyelectasis (or pelviectasis) is a condition that occurs during pregnancy in which excess pee collects inside your baby’s kidney. It occurs in about 1% of pregnancies, and it affects more …

Enlargement of the renal pelvis from 4 to 10 millimeters in diameter is called fetal pyelectasis or renal pelvic dilatation (RPD). Enlargement of the renal pelvis to greater than 10 mm is called severe …

Pyelectasis, or pelviectasis, is when urine gathers in the center of the kidney, called the pelvis. This makes the kidney larger than normal. This condition can affect one or both kidneys. …

Fetal pyelectasis or pelviectasis typically consists of a mild enlargement of the central area, or “pelvis,” of the kidney. (This is not to be confused with fetal hydronephrosis, which is an extreme ballooning of …

Pyelectasis is a dilation of the renal pelvis. It is a relatively common ultrasound finding in fetuses and is three times more common in male fetuses. In most cases pyelectasis resolves normally, having no ill …

Sep 14, 2025 · Fetal pyelectasis refers to the prominence of the renal pelvis in utero that is a relatively common finding, which in the majority of cases resolves spontaneously.

What is Fetal Urinary Tract Dilation? Urinary tract dilation (UTD), or pyelectasis, occurs when fluid builds up in the urine collecting system (the ureters) leading from the kidneys to the bladder. This is usually …

Pyelectasis is when a prenatal ultrasound detects extra fluid in unborn babies’ kidneys.

Oct 21, 2025 · Pyelectasis, or pelviectasis, is a disorder marked by the dilatation of the renal pelvis, the core region of the kidney where urine accumulates, resulting from urine retention. This condition is …

When the pelvis is stretched or enlarged, but not enlarged enough for doctors to diagnose hydronephrosis, it is considered pyelectasis. Pyelectasis also is known as renal pelvic dilatation.