Intrahepatic Cholestasis of Pregnancy: What Is It, Symptoms and Treatment

Written by Medicover Team and Medically Reviewed by Dr Samskruthi S Reddy , Gynecologists

Intrahepatic cholestasis of pregnancy (ICP) is a pregnancy-related liver disorder that usually develops during the second or third trimester. It occurs when the normal flow of bile from the liver slows or becomes impaired, causing bile acids to build up in the bloodstream. The most common symptom is intense itching, particularly on the palms of the hands and soles of the feet.

Although symptoms usually resolve after delivery, untreated ICP can increase the risk of pregnancy complications, including preterm birth, fetal distress, and stillbirth. Early diagnosis, close monitoring, and timely treatment are essential to protect the health of both the mother and the baby.

What Are the Symptoms of Intrahepatic Cholestasis of Pregnancy?

The primary symptom of ICP is pruritus, or itching, which typically begins in the third trimester of pregnancy. The itching is often more pronounced at night and can be severe enough to cause sleep disturbances.

Other symptoms may include:

It is crucial for pregnant women experiencing these symptoms to consult their healthcare provider for evaluation.

Severe Symptoms

In rare instances, ICP can lead to more severe symptoms, such as jaundice, which is characterized by yellowing of the skin and eyes due to elevated levels of bilirubin in the blood. Though less common, jaundice is a significant indicator of liver dysfunction and warrants immediate medical attention.

What Causes Intrahepatic Cholestasis of Pregnancy?

The exact cause of ICP remains unclear, but it is believed to result from a combination of genetic, hormonal, and environmental factors.

Genetic Factors

There is evidence suggesting a genetic predisposition to ICP. Women with a family history of the condition are at a higher risk, indicating that genetic mutations affecting bile transport may play a role.

Hormonal Influences

The increased levels of estrogen and progesterone during pregnancy are thought to contribute to the development of ICP. These hormones can affect bile flow and metabolism, potentially leading to the accumulation of bile acids in the bloodstream.

Environmental Considerations

Environmental factors, such as diet and exposure to certain toxins, may also influence the likelihood of developing ICP. However, further research is needed to understand these associations fully fully.

When Should You See a Doctor for Intrahepatic Cholestasis Of Pregnancy?

Consult an gynecologist immediately if you develop symptoms suggestive of ICP during pregnancy.

Early diagnosis and treatment can reduce pregnancy-related complications and improve outcomes for both the mother and the baby.

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How Is Intrahepatic Cholestasis of Pregnancy Diagnosed?

Diagnosing ICP involves a combination of clinical evaluation, laboratory tests, and exclusion of other potential causes of itching and liver dysfunction.

Clinical Evaluation

The first step in diagnosing ICP is a thorough clinical assessment of symptoms. Healthcare providers will inquire about the onset and severity of itching and any accompanying symptoms.

Laboratory Tests

Blood tests are crucial in diagnosing ICP. These tests typically measure bile acid levels, liver function tests, and bilirubin levels. Elevated bile acid levels are an essential diagnostic marker for ICP.

Exclusion of Other Conditions

It is essential to rule out other potential causes of itching and liver dysfunction, such as hepatitis, gallstones, or dermatological conditions, to confirm a diagnosis of ICP.

What Are the Treatment Options for Intrahepatic Cholestasis of Pregnancy?

Treatment focuses on reducing itching, lowering bile acid levels, and protecting the baby. Ursodeoxycholic acid (UDCA) is the most commonly prescribed medication. Regular fetal monitoring, liver function assessment, and planned early delivery in severe cases may be recommended to reduce the risk of complications.

Medical Management

The primary goal in managing ICP is to alleviate symptoms and minimize risks to the fetus. Ursodeoxycholic acid (UDCA) is commonly prescribed to reduce bile acid levels and relieve itching. Other medications, such as antihistamines, may also be used to manage symptoms.

Monitoring and Fetal Assessment

Close monitoring of maternal and fetal health is crucial in managing ICP. Regular liver function tests and fetal monitoring, including non-stress tests and biophysical profiles, are typically recommended to ensure the well-being of both mother and baby.

Delivery Considerations

In cases of severe ICP, early delivery may be considered to prevent complications. The severity of symptoms and fetal health assessments typically guides the timing of delivery.

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What Are the Risk Factors for Intrahepatic Cholestasis of Pregnancy?

Several risk factors have been identified for ICP, which include:

Understanding these risk factors can help in the early identification and management of the condition.