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Living with Acute fatty liver of pregnancy

A rare, serious pregnancy complication in which fat builds up in the liver, usually in the third trimester.

Understanding Acute fatty liver of pregnancy

Acute fatty liver of pregnancy (AFLP) is a rare and serious complication of pregnancy in which fat builds up in the liver.

The fat buildup can lead to liver damage. Symptoms generally begin in the third trimester of pregnancy. GARD lists the onset as adulthood.

Signs & symptoms

Symptoms vary. GARD's summary says they may include:

  • Nausea and vomiting that doesn't go away
  • Pain in the stomach or upper right belly
  • Feeling generally unwell (malaise)
  • Yellowing of the skin and eyes (jaundice)
  • Headache

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include digestive system specialists, maternal-fetal medicine specialists and women’s reproductive health specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

Care & treatment

Care team
Digestive system specialists (gastroenterologists); Maternal-fetal medicine specialists (pregnancy-related); Women’s reproductive health specialists (obstetricians / gynecologists)
Expert care
Ask about multidisciplinary care centers for rare conditions
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with Preeclampsia Foundation
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
Which symptoms in the third trimester should I report right away?
Does genetics play a role in my case, and is genetic testing an option?
Which specialists should be involved in my care?

Quick facts

Symptoms usually startAdult

GARD says the cause of AFLP is not well understood, but genetics may play a role.

GastrointestinalUrinary and Reproductive

Also known as: aflp; aflp - acute fatty liver of pregnancy; nonalcoholic fatty liver during pregnancy

Patient organizations

Source: NIH GARD · Acute fatty liver of pregnancyGARD ID 9578 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Acute fatty liver of pregnancy.

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Explore research for Acute fatty liver of pregnancy

Explore actively recruiting Acute fatty liver of pregnancy studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Acute fatty liver of pregnancy with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
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  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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