Relationship between hyperemesis gravidarum and Helicobacter pylori seropositivity

Early pregnancy is commonly characterized by the disturbance of digestive function, characteristically manifested by nausea and vomiting. These symptoms during early pregnancy usually disappear spontaneously after about 12 weeks. In a minority of pregnant women, these symptoms are very severe, and are associated with weight loss, dehydration, acidosis from starvation,