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Related Experiment Videos

Prolapsing amniotic membranes: detection, sonographic appearance, and management.

J P McGahan1, F Hanson

  • 1Department of Radiology, School of Medicine, University of California, Davis.

Journal of Perinatology : Official Journal of the California Perinatal Association
|January 1, 1987
PubMed
Summary

Prolapse of amniotic membranes through the cervix, often with contractions in late pregnancy, presents a high risk. Interventions like tocolytics and cerclage showed limited success in preventing preterm birth.

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Area of Science:

  • Perinatology
  • Maternal-Fetal Medicine
  • Obstetrics

Background:

  • Cervical incompetence is a known risk factor for preterm birth.
  • Amniotic sac prolapse into the endocervical canal is a rare obstetric complication.
  • Understanding risk factors and outcomes is crucial for managing this condition.

Observation:

  • Seventeen cases of amniotic membrane prolapse through a partially dilated cervix were analyzed.
  • Most patients lacked a history of cervical incompetence or prior abortions.
  • Presentations typically involved uterine contractions in the late second or early third trimester.

Findings:

  • Ultrasound confirmed prolapse, assessed fetal viability, and evaluated amniotic sac contents.
  • Tocolytics, abdominal amniocentesis, and cervical cerclage provided minimal benefit in preventing immediate delivery.

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  • The study resulted in a high rate of stillbirths or neonatal deaths due to prematurity (8/17).

    • Implications:

    • Early diagnosis and intervention strategies for amniotic membrane prolapse require further investigation.
    • This condition highlights the challenges in managing preterm labor with visible membrane prolapse.
    • Improved management protocols are needed to enhance perinatal outcomes in such high-risk pregnancies.