“Morning sickness” is the term used to describe a condition restricted to pregnant women characterised by nausea and vomiting. Other symptoms might also be felt, such as retching, dizziness and headaches.
One might erroneously think that the nauseous feeling would only last during the morning, given the term. However, “morning sickness” is a misnomer. Furthermore, the technical phrase is “nausea and vomiting of pregnancy” (NVP).
Around 85 % of all pregnancies will entail NVP. As a matter of fact, most pregnant women experience the condition throughout the day. The symptoms might be at their worst in the morning and become gradually more bearable later.
It is to be borne in mind that no two women will experience pregnancy in the same way. As such, the symptoms will vary in intensity from woman to woman, as pointed out in a review paper published in The Canadian Journal of Clinical Pharmacology.
The nausea typically starts at around 6 weeks of pregnancy, but this could be different for other women. Usually, pregnant women will be relieved of the symptoms by 14 weeks. However, some women even ‘suffer’ from the condition until delivery.
In a review available on PubMed.gov, it is said that mild cases of morning sickness can be eased by bringing in changes in one’s lifestyle and nutrition. (The paper focuses on the management of the symptoms during pregnancy.)
Only around 2 % of pregnant women will face the most severe form of NVP, called hyperemesis gravidarum, which is characterised by severe nausea that leads to weight loss, dehydration, and other risky effects. Women suffering from this might choose to end the pregnancy.