Skip to Content
Home > Wellness > Health Library > Morning Sickness
For many women, the toughest part of early pregnancy is
morning sickness. Morning sickness can range from
mild, occasional nausea to severe, ongoing, disabling nausea with bouts of
vomiting. Symptoms may be worse in the morning, but they can strike at any time
of the day or night.
The first signs of morning sickness usually
develop during the month following the first missed menstrual period, when
pregnancy hormone levels rise. Women carrying twins or more have greater
hormone increases, which tends to cause more severe morning sickness.
There is no way to predict how long your morning sickness will last, even
if you have suffered through it before. Nausea and vomiting usually go away by
12 to 14 weeks of pregnancy. But in some cases, it can last well into a
If you have severe, persistent nausea and vomiting or
are unable to take in fluids, see your doctor or nurse-midwife right away. This
pregnancy problem can lead to
dehydration and malnutrition. For this, you need
intravenous (IV) fluids and/or prescribed medicine. In
some cases, you may need to stay in the hospital.
ByHealthwise StaffPrimary Medical ReviewerSarah Marshall, MD - Family MedicineSpecialist Medical ReviewerKirtly Jones, MD - Obstetrics and Gynecology
Current as ofNovember 14, 2014
Current as of:
November 14, 2014
Sarah Marshall, MD - Family Medicine & Kirtly Jones, MD - Obstetrics and Gynecology
How this information was developed to help you make better health decisions.
To learn more, visit Healthwise.org
© 1995-2015 Healthwise, Incorporated. Healthwise, Healthwise for every health decision, and the Healthwise logo are trademarks of Healthwise, Incorporated.
Our interactive Decision Points guide you through making key health decisions by combining medical information with your personal information.
You'll find Decision Points to help you answer questions about:
Get started learning more about your health!
Our Interactive Tools can help you make smart decisions for a healthier life. You'll find personal calculators and tools for health and fitness, lifestyle checkups, and pregnancy.
Feeling under the weather?
Use our interactive symptom checker to evaluate your symptoms and determine appropriate action or treatment.