Morning sickness, also called nausea and vomiting of pregnancy (NVP), or pregnancy sickness, affects between 50 and 95 percent of all pregnant women. It is also sometimes experienced by women who take birth control pills or hormone replacement therapy. The amount of nausea can vary from mild amounts to actual vomiting. In extreme cases, known as hyperemesis gravidarum, hospital admission may be required to correct the resulting dehydration.
Morning sickness usually starts in the first month of the pregnancy, peaking in the 5th to 7th weeks, and continuing until the 14th to 16th week. For 50% of all sufferers, it ends by the 16th week of pregnancy. For the other half, it may take up to another month to get relief but some women will have morning sickness off and on for their entire pregnancy.
More on [ Morning sickness ]
Pregnancy and Birth :: Reproduction and Sexuality

APA: Morning Sickness - Overview of the condition with helpful things to do and things to avoid to manage nausea symptoms.
Meta Description: [ Morning sickness refers to the nauseated feeling you get during the first trimester of pregnancy. ]
Blooming Awful - Advice, self help tips, personal stories, and forums for individuals experiencing hyperemesis gravidarum (HG).
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Discovery: Morning Sickness - Article that addresses causes, symptoms, diagnosis, prevention and related risks.
eMedicine Health - Vomiting during Pregnancy - Consumer health resource center providing information on the causes and treatment of vomiting during pregnancy.
Meta Description: [ While you are pregnant, nausea and vomiting are normal. Up to 70% of all women get mild to moderate symptoms during the first 3 months (first trimester) of pregnancy. These ... ]
HER Foundation - Offers education and support for mothers suffering from hyperemesis gravidarium.
Hyperemesis Education and Research Organization - Information about the non-profit organization which is dedicated to providing a multi-disciplinary forum for exchange of information related to Hyperemesis Gravidarum, HG.
Hyperemesis Gravidarum - Information about this rare disorder characterized by severe and persistent nausea and vomiting during pregnancy.
Meta Description: [ National Organization for Rare Disorders is dedicated to helping people with rare, orphan diseases. Rarediseases.org contains information on the prevention, treatment and cure of rare diseases. ]
Mommy Guide: Morning Sickness - Provides information on the progression of morning sickness, answers to frequently asked questions, and remedies for relief.
Meta Description: [ Peer Parenting Research & On-Call Advice Staff. ]
Motherisk: Resources for Nausea - Offers facts and resources on morning sickness through a publication on nausea research; offers a toll-free helpline for North America.
Meta Description: [ Motherisk at The Hospital for Sick Children ]
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Nausea as Fetus Protection - Provides a discussion on nutrition as the cause of nausea and what it may mean to the mother and the baby.
Rick Paik Schoenberg's Hyperemesis Gravidarum Report - A summary report on hyperemesis gravidarum.
SOGC Canada: Guidelines for Nausea and Vomiting - Clinical practice guidelines for the management of nausea and vomiting during pregnancy (NVP) or morning sickness. Prepared by the Obstetrics Committee of the SOGC.
SOSMorning Sickness - Provides several articles on facts, descriptions and various remedies for relieving morning sickness during pregnancy.
Meta Description: [ SOS morning sickness provides information and advice about this condition also known as nausea and vomiting of pregnancy, NVP. Edited by Dr. Lubov Gargaun, who has published many scientific articles on morning sickness ]
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