The management of nausea and vomiting during pregnancy

-        Nausea and vomiting in pregnancy (NVP): NVP is defined as symptoms of nausea, vomiting and/or dry retching commencing before 16 gestational weeks without another cause.

-        Hyperemesis in pregnancy (HG): It is persistent vomiting with weight loss not related to other causes along with an objective measure of acute starvation such as carbohydrate depletion, electrolyte abnormalities and/or acid-base disturbance.