Hyperemesis Gravidarum
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Basics
Description
- Hyperemesis gravidarum is the most severe form along the continuum of nausea and vomiting of pregnancy
- Also known as pernicious vomiting of pregnancy
- Characterized by unexplained intractable vomiting and dehydration
- Occurs in 0.3–3% of pregnancies
- Diagnosis of exclusion
Etiology
- Exact cause unknown
- Possible causes include the following:
- Elevated gestational hormone levels of human chorionic gonadotropin (hCG) and/or estradiol
- Thyrotoxicosis
- Upper GI motility dysfunction
- Hepatic abnormalities
- Autonomic nervous system dysfunction
- Psychological factors
- Helicobacter pylori infection
- Genetic predisposition
-- To view the remaining sections of this topic, please log in or purchase a subscription --
Basics
Description
- Hyperemesis gravidarum is the most severe form along the continuum of nausea and vomiting of pregnancy
- Also known as pernicious vomiting of pregnancy
- Characterized by unexplained intractable vomiting and dehydration
- Occurs in 0.3–3% of pregnancies
- Diagnosis of exclusion
Etiology
- Exact cause unknown
- Possible causes include the following:
- Elevated gestational hormone levels of human chorionic gonadotropin (hCG) and/or estradiol
- Thyrotoxicosis
- Upper GI motility dysfunction
- Hepatic abnormalities
- Autonomic nervous system dysfunction
- Psychological factors
- Helicobacter pylori infection
- Genetic predisposition
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