Hyperemesis Gravidarum Symptoms

When HG is severe and/or inadequately treated, it may result in:
  • Loss of 5% or more of pre-pregnancy body weight
  • Dehydration, causing ketosis and constipation
  • Nutritional deficiencies
  • Metabolic imbalances
  • Altered sense of taste
  • Sensitivity of the brain to motion
  • Food leaving the stomach more slowly
  • Rapidly changing hormone levels during pregnancy
  • Stomach contents moving back up from the stomach
  • Physical and emotional stress of pregnancy on the body
  • Subconjunctival hemorrhage (broken blood vessels in the eyes)
  • Difficulty with daily activities
  • Hallucinations
Some women with HG lose as much as 30% of their body weight. Many sufferers of HG are extremely sensitive to odors in their environment; certain smells may exacerbate symptoms. This is known as hyperolfaction. Ptyalism, or hypersalivation, is another symptom experienced by some women suffering from HG.

As compared to morning sickness, HG tends to begin somewhat earlier in the pregnancy and last significantly longer. While most women will experience near-complete relief of morning sickness symptoms near the beginning of their second trimester, some sufferers of HG will experience severe symptoms until they give birth to their baby, and sometimes even after giving birth. An overview of the significant differences between morning sickness and HG can be found at Hyperemesis or Morning Sickness: Overview

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