Chronic Intervillositis Of Unknown Etiology C5680386
A rare placental inflammatory condition where immune cells build up in spaces between villi. It affects pregnant women and can lead to pregnancy loss or fetal growth problems. Close monitoring during pregnancy is essential, though outcomes vary.
Key facts at a glance
- ICD-10
- N94.9
- ICD-11
- GA00.0
- Body system
- reproductive
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Placental insufficiency leading to fetal distress
Generalized symptoms
(reproductive)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Recurrent pregnancy loss
(reproductive)Fetal growth restriction
(reproductive)Maternal hypertension
(reproductive)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
High-Risk Pregnancy Monitoring
Intensive prenatal monitoring including serial ultrasounds, Doppler studies, and fetal growth assessments to detect placental insufficiency and fetal compromise early.
Targeted drug therapy with dose adjustment
Active treatment with regular monitoring by a healthcare provider is recommended.
Immunomodulatory Therapy
Treatment with corticosteroids or other immunomodulatory agents to potentially reduce placental inflammation and improve pregnancy outcomes.
Additional treatment options
Placental Function Assessment
Advanced placental function testing including biophysical profiles and umbilical artery Doppler to guide delivery timing decisions.
procedureModified Activity and Rest Protocol
Activity modification with increased rest, possibly including bed rest, to reduce maternal physical stress and potentially improve placental perfusion.
lifestyleTimely Delivery Planning
Carefully planned delivery, potentially preterm, when fetal monitoring indicates deterioration or at a gestational age balancing fetal maturity with disease progression.
surgicalWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Chronic Intervillositis Of Unknown Etiology C5680386?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Controversies in diagnosing chronic intervillositis of unknown etiology. J Reprod Immunol. 2018;128:56-62.
International Society for Placental Pathology. Practice guidelines for placental pathology. Placenta. 2021;104:246-256.
Chronic intervillositis and adverse pregnancy outcomes: a case-control study. Fetal Diagn Ther. 2016;40:113-120.
Chronic intervillositis of unknown etiology: current understanding and future directions. Placenta. 2022;117:78-85.
Medication Comparisons
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy