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What is Hyperemesis Gravidarum?

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Hyperemesis gravidarum (HG) is the term for severe nausea and vomiting in pregnancy (NVP). It's not very common, affecting around 0.5-2% of moms-to-be, but it's thought there might be a hereditary element. Symptoms are so severe that it's hard for women with HG even to keep fluids down, and this can lead to dehydration and nutritional deficiency. In some cases, admission to hospital for rehydration is necessary.

Moms-to-be with HG can suffer from depression as the condition is so debilitating and often relentless: some unfortunate women suffer throughout the whole of pregnancy, although the condition usually subsides by week 21 of pregnancy; some are put off having any subsequent babies in case they suffer from HG again – and it is common for it to recur. The condition doesn't usually have an adverse effect on unborn babies, though, unless their moms lose a dramatic amount of weight, when they may have a lower than expected birth weight.

In rare cases where HG isn't recognized or treated early, there is a risk of pre-eclampsia and premature labor.

What are the symptoms of Hyperemesis gravidarum?

Symptoms include persistent and severe bouts of vomiting or nausea; dehydration, which is characterized by thirst, fatigue, dizziness and headache; ketosis (a dangerous increase in toxic chemicals in the blood); and weight loss. Your blood pressure may also drop on standing up.

What are the treatments and remedies of Hyperemesis gravidarum?

Specialist treatment is needed for HG. You may be prescribed anti-sickness medication by your doctor. If you have ketosis or severe dehydration, you'll need to be admitted to hospital, where you'll be put on a drip to rehydrate you and replace lost nutrients, and the ketosis will be treated.

Because of this, you must tell your midwife or doctor if your morning sickness is severe. To reduce symptoms try:

  • Getting plenty of rest

  • Eating and drinking little and often

  • Eat plain biscuits before getting up in the morning

  • Avoid smells or foods that trigger symptoms

  • Ginger supplements may also help but talk to your health professional or pharmacist first

This guide

This article is not meant to substitute medical advice provided by a practicing medical professional - if you have any concerns, contact your physician immediately.

 
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