A rare condition (less than 0·2 per cent) of pregnancy, in which there is severe vomiting. If untreated it can result in severe dehydration, ketoacidosis (an excess of KETONE acids) and liver damage. More common in multiple pregnancy, it may recur in subsequent pregnancies.
persistent vomiting during pregnancy, which results in weight loss greater than 5%, dehydration, ketosis, and electrolyte imbalance. Management requires rehydration, antiemetics, and vitamin supplementation. In severe cases, if inadequately or inappropriately treated, it may cause liver damage and Wernicke’s encephalopathy; in such cases it may be necessary to terminate the pregnancy.