Royal baby: What is hyperemesis gravidarum?

The Duchess of Cambridge was admitted to hospital with hyperemesis gravidarum (acute morning sickness) this afternoon. Here are the effects of the condition.

  • Vomiting can be so severe the woman cannot keep food or liquid down.
  • The condition usually continues past the first three months.
  • Hyperemesis gravidarum can pass by week 21 but may also last longer.
  • The severity of the vomiting can cause dehydration and weight loss.
  • It affects 3.5 per 1,000 pregnant women and can cause women to vomit blood.
  • Symptoms also include severe nausea, low blood pressure and fast heart rate, headaches, lethargy or confusion.

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