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Related Experiment Videos

Urinary tract dilatation in pregnancy.

M A Brown1

  • 1Department of Renal Medicine and Obstetrics, St. George Hospital, Kogarah, Sydney, Australia.

American Journal of Obstetrics and Gynecology
|February 1, 1991
PubMed
Summary

Routine ultrasound revealed right-sided ureteral and renal pelvis dilatation in a 30-week fetus. This condition resolved spontaneously after early delivery, with normal renal function maintained throughout.

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Area of Science:

  • Obstetrics and Gynecology
  • Fetal Medicine
  • Urology

Background:

  • Routine prenatal screening via ultrasonography is crucial for identifying fetal anomalies.
  • Ureteral and renal pelvis dilatation can occur during pregnancy and requires careful monitoring.

Observation:

  • A significant finding of right-sided ureteral and renal pelvis dilatation was noted during a routine uterine ultrasonographic examination at 30 weeks' gestation.
  • The dilatation progressed, with the renal pelvis reaching 8.9 cm in diameter by 35 weeks' gestation.

Findings:

  • The observed fetal hydronephrosis necessitated early delivery at 35 weeks.
  • Postnatal assessment confirmed normal renal function in the neonate.
  • Complete resolution of the ureteral and renal pelvis dilatation occurred after delivery.

Implications:

  • This case highlights the importance of serial ultrasonographic monitoring for fetal urinary tract anomalies.
  • Early delivery may be considered in cases of progressive fetal hydronephrosis.
  • The spontaneous resolution suggests a potentially transient or self-limiting nature of this condition in some cases.

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