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Kate Middleton's morning sickness: What you should know about hyperemesis gravidarum

Kate Middleton's morning sickness: What you should know about hyperemesis gravidarum
From Global News - September 5, 2017

Baby No. 3 is on the way for Prince William and Kate Middleton, the Duchess of Cambridge. But first, the expectant mom is grappling with her third encounter with hyperemesis gravidarum, a severe form of morning sickness.

On Monday, the Royal couple announced the news about their expanding familyMiddleton had to cancel an engagement due to severe morning sickness. The baby will be fifth in line to the throne, after grandfather Prince Charles, father William and elder siblings George, 4, and Charlotte, 2.

Its unclear when the baby is due, though.

READ MORE: Prince William and Duchess Kate are expecting their third child

As with her previous two pregnancies, the Duchess is suffering from hyperemesis gravidarum, Kensington Palace officials said.

The Duchess is being cared for at Kensington Palace, it read.

Middleton was supposed to visit a childrens centre but bowed out because of poor health. In her last two pregnancies, she was hospitalized because of the condition.

What is hyperemesis gravidarum?

This isnt your average morning sickness, according to experts. HG is an extreme form that causes severe nausea and vomiting throughout pregnancyconventional morning sickness typically tapers off within 12 to 14 weeks.

With HG, pregnant women grapple with incessant nausea and vomiting that could lead to severe dehydration. Women have trouble keeping food and liquids down, according to Healthline.

In turn, potassium levels drop and doctors need to monitor electrolyte levels and hydration.

READ MORE: How long should you wait to tell others youre expecting?

This explains why Middleton needed intravenous fluids during her previous pregnancies.

The vomiting is recurrent and severe enough to cause weight loss of five per cent of the womans pre-pregnancy weight, Global News medical contributor Dr. Samir Gupta explained.

How common is hyperemesis gravidarum?

What are the symptoms?

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