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How Long Does Morning Sickness Last?

What to expect when you're pregnant - by Holly Richards
  • 21 Dec 2018

Q: When does morning sickness stop?
A: By about 12 to 14 weeks morning sickness will settle, but about 20% of women can have it into the second trimester and some can have it throughout.

Morning sickness is one of the more unpleasant sides of pregnancy.

An estimated 70 to 80 per cent of women will suffer from morning sickness at some point during their pregnancy, but usually it will peak in the first trimester.

It can effect the quality of life for some women, changing everything from what they can eat to sleep patterns and will have some ladies counting down the days to their due date.

So, what does morning sickness feel like?

morning sickness
Getty

Symptoms of morning sickness

  • Nausea
  • Loss of appetite
  • Vomit
  • Psychological effects, such as depression and anxiety

Dr Elizabeth Farrell, Medical Director and gynaecologist at Jean Hailes for Women’s Health answers all your questions about morning sickness and how long it can last.

When does morning sickness stop and how long can it go on for?

Dr Farrell: By about 12 to 14 weeks morning sickness will settle, but about 20% of women can have it into the second trimester and some can have it throughout.

Is it ok if you are pregnant but don't get morning sickness?

Dr Farrell: Around 50-60% of women will have morning sickness and the others won’t, and that’s totally normal.

morning sickness
Getty

What causes it?

Dr Farrell: Morning sickness is probably due to increasing hormone levels, fluctuation in blood pressure (especially low blood pressure) and lots of changes in the body triggered by pregnancy because the body’s metabolism has to change.

When should you seek professional medical advice?

Dr Farrell: You should go see a doctor if the morning sickness is constant and not easing and there’s regular vomiting, weight loss and you’re becoming dehydrated. When it’s very severe, like Princess Kate, it’s called hyperemesis gravidarum. It may require hospitalisation because women become so dehydrated. But only around 1 in 1000 women will have hyperemesis gravidarum.

Read more on morning sickness here

  • Health & Wellbeing
  • Pregnancy
Holly Richards
Holly Richards is a freelance contributor to WHO and New Idea. With more than a decade of experience in the entertainment world she lives and breathes everything from the latest Bachelor gossip to who designed Meghan Markle's most recent outfit. Check out her reality TV podcast Real Talk With Holly & Ali.

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