Pregnancy, nausea
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How common are nausea and vomiting in pregnancy?

Feeling sick to your stomach and vomiting is very common during early pregnancy. In fact, nausea and vomiting are the most common symptoms in early pregnancy.

  • About 7 in 10 women feel sick to their stomach during pregnancy.
     
     
     
     
     
    Source:
    Nelson-Piercy C.
    Treatment of nausea and vomiting in pregnancy. When should it be treated and what can be safely taken?.
    Drug Safety. 1998; 9: 155-164.
     
     
     
     
     
    1
  • Around 6 in 10 pregnant women have both nausea and vomiting.
     
     
     
     
     
    Source:
    Nelson-Piercy C.
    Treatment of nausea and vomiting in pregnancy. When should it be treated and what can be safely taken?.
    Drug Safety. 1998; 9: 155-164.
     
     
     
     
     
    1
  • The severe form of nausea and vomiting known as
     
     
     
     
     
    hyperemesis gravidarum
    Hyperemesis gravidarum is very severe nausea and vomiting during pregnancy. About 1 in 100 pregnant women get this condition. If you have hyperemesis gravidarum, you throw up so much that your health and your baby's health may be in danger if you don't have treatment. Women with this condition may have to go into hospital.
     
     
     
     
     
    hyperemesis gravidarum is much less common. It affects about 1 in 200 pregnant women.
     
     
     
     
     
    Source:
    Eliakim R, Abulafia O, Sherer DM.
    Hyperemesis gravidarum: a current review.
    American Journal of Perinatology. 2000; 17: 207-218.
     
     
     
     
     
    2

Sources for the information on this page:
  1. Nelson-Piercy C.Treatment of nausea and vomiting in pregnancy. When should it be treated and what can be safely taken?.Drug Safety. 1998; 9: 155-164.
  2. Eliakim R, Abulafia O, Sherer DM.Hyperemesis gravidarum: a current review.American Journal of Perinatology. 2000; 17: 207-218.
This information was last updated on May 12, 2009
BMJ Group
This information is for educational use only, and is not a substitute for prompt professional medical advice. Readers should always consult a physician or other professional for advice and treatment.
© BMJ Publishing Group Limited 2009. All rights reserved.
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