What Does It Mean When a Pregnant Woman’s Liver Function Tests Are Elevated?
Apr 14, 2022
Source: Cainiu Health
Dr. Lv Aiming
Introduction
Why Are Liver Function Test Results Elevated in Pregnant Women?
1. It may be caused by hepatitis.
2. It may result from viral infections, such as hepatitis B virus, cytomegalovirus, or rubella virus.
3. It may be related to the use of tocolytic (pregnancy-maintaining) medications, including dydrogesterone and progesterone.
4. The pregnant woman may have had nonalcoholic fatty liver disease (NAFLD) prior to pregnancy, leading to elevated liver function test results during gestation.
Some women undergoing liver function tests during pregnancy receive results indicating elevated liver enzyme levels. In fact, it is relatively common for pregnant women to experience abnormalities in liver function tests; some cases are attributable to hepatitis, while others stem from various non-hepatitis-related causes. So, what exactly causes elevated liver function test results in pregnant women? Let’s explore this further.
What Causes Elevated Liver Function Test Results in Pregnant Women?
1. Elevated liver function test results may be caused by hepatitis. During pregnancy, many women experience significant pregnancy-related symptoms—such as nausea, vomiting, and loss of appetite—which can lead to inadequate caloric intake and potentially trigger hepatitis. In most cases, once morning sickness subsides and normal eating resumes in later pregnancy, liver function typically returns to normal.
2. Viral infection is another possible cause. Due to decreased immune resistance during pregnancy, women are more susceptible to infections such as hepatitis B virus (HBV), cytomegalovirus (CMV), and rubella virus—all of which can induce hepatic inflammation and consequently elevate liver enzyme levels.
3. Certain tocolytic (fetal-preserving) medications may also contribute to elevated liver enzymes. Some active ingredients in these drugs—such as dydrogesterone and progesterone—can induce drug-induced hepatitis.
4. Pre-existing non-alcoholic fatty liver disease (NAFLD) prior to pregnancy may progress to hepatitis during gestation, resulting in elevated liver function test values.
5. Hyperthyroidism (overactive thyroid) can likewise lead to abnormal liver function tests, as thyroid hormone excess may directly impair hepatic function.
The above outlines the primary causes of elevated liver function test results in pregnant women. Given the variety of potential etiologies, prompt medical evaluation and appropriate treatment—including hepatoprotective and enzyme-lowering therapies—are essential. Regardless of the underlying cause, women with abnormal liver function should minimize physical activity, prioritize rest, closely monitor fetal heart rate and fetal movements, and undergo regular follow-up liver function testing. We hope this information proves helpful.
