Nausea and vomiting with pregnancy

Information for women, birthing people, and their families

Nausea (feeling sick) and vomiting (being sick) are symptoms of pregnancy and affect most pregnant women / birthing people to some degree.

Although called ‘’morning sickness’’, it can happen at any time of the day or night.

What can cause ‘morning sickness’?

Hormonal changes in the first three months of pregnancy are the main cause of morning sickness.

How long can it last?

'Morning sickness' usually disappears around the 12th to 14th week of your pregnancy. Although in some pregnancies in may last longer.

What can I do to help my symptoms?

What if my symptoms continue?

If the above advice does not help, and you are still having morning sickness, please speak to your GP or midwife. They may be able to arrange for you to be seen by a member of the hospital’s Maternity team.

What is hyperemesis gravidarum?

Hyperemesis gravidarum is a severe form of sickness. Some women / birthing people will suffer from this, however not all nausea and vomiting during pregnancy is hyperemesis gravidarum. It appears to be more common when it is your first pregnancy or if you are pregnant with twins.

Hyperemesis gravidarum can lead to dehydration and weight loss in pregnancy. If you do suffer from this form of morning sickness, you may need to stay in hospital overnight for treatment (see below).

What treatments may be offered to me in hospital?

Further help

Remember that you are not alone.

Nausea and vomiting in pregnancy can be a difficult problem to cope with. It can be one of the most trying problems in early pregnancy. It can affect your mood and what tasks you are able to do, and make you feel tired and emotional.

If you ever feel you need extra support, please do not hesitate to ask for help. You can start by visiting our Pregnancy Sickness Support website.