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Elevated alanine aminotransferase and aspartate aminotransferase in late pregnancy

Mar 27, 2023 Source: Cainiu Health
Dr. Lu Haiying
Introduction
The causes of elevated alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in the third trimester of pregnancy can be divided into physiological and pathological factors. Pathological factors include increased hepatic burden during pregnancy and fatty liver of pregnancy. Management should be based on the specific underlying cause and may involve dietary adjustments, medication, or, if necessary, termination of pregnancy. Regular prenatal examinations are essential in the late stages of pregnancy to monitor both fetal and maternal health.

Elevated levels of alanine aminotransferase (ALT) and aspartate aminotransferase (AST) in the third trimester of pregnancy can be attributed to physiological and pathological factors. Pathological causes include increased hepatic burden during pregnancy and fatty liver of pregnancy. Management strategies depend on the underlying cause and may involve dietary adjustments, medication, or surgery when necessary.

I. Physiological Factors

In late pregnancy, rapid fetal growth, combined with excessive eating or inadequate rest in pregnant women, may affect ALT and AST levels, leading to mild elevations to varying degrees. This is considered a normal physiological phenomenon and can usually be improved through dietary regulation and adequate rest, without requiring specific medical treatment.

II. Pathological Factors

1. Increased Hepatic Load During Pregnancy

During the late stages of pregnancy, the growing fetus increases the workload on the liver, potentially causing liver function abnormalities and resulting in elevated ALT and AST levels. It is recommended to take medications such as Lentinan tablets, Compound Glycyrrhizin tablets, or Yunzhi Gantai granules under medical supervision to protect liver function.

2. Acute Fatty Liver of Pregnancy

Fatty liver can develop suddenly and severely during late pregnancy, leading to significantly increased ALT and AST levels and impairing liver function. In such cases, prompt termination of pregnancy is required, along with maintenance of electrolyte balance. Medications such as sustained-release Vitamin C capsules, Hydrocortisone tablets, and Compound Branched-Chain Amino Acid granules should be administered according to medical advice.

Besides the above, elevated transaminases may also be associated with chronic hepatitis and other conditions. Pregnant women should undergo regular prenatal checkups in the third trimester to monitor both fetal and maternal health, and seek immediate medical intervention if any abnormalities occur.


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