What are the reasons for high ALT levels during pregnancy

Patient's question:

I am 5 months pregnant, and the check-up showed high levels of ALT. All other indicators are normal.
The doctor at the maternal and child health department here said it is due to pregnancy-related compression causing liver damage, and advised me to rest. They also prescribed Dangfei Ganning for me. I was wondering if this medication has any effect on the fetus. I'm a bit worried, but the maternal and child health doctor said it has no impact.

Doctor's answer:

During liver function tests, pregnant women often exhibit elevated levels of alanine aminotransferase (ALT). Generally speaking, the content of transaminases in serum can fluctuate slightly with physiological changes. After pregnancy, due to alterations in endocrine function and increased systemic blood flow, the functional burden on the liver also increases. Particularly after the second trimester of pregnancy, as the fetus grows, the functional changes in the liver become more pronounced.

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