Chapter 212 Hyperemesis Gravidarum
INTRODUCTION
Description: Hyperemesis gravidarum is exaggerated nausea and vomiting of early pregnancy sufficient to produce dehydration, metabolic disturbances, and weight loss. Alkalosis (from HCl loss) and hypokalemia are common.
Prevalence: Seventy percent to 85% of women experience nausea; 50% have emesis in the first trimester; hyperemesis occurs in 0.5% to 2% of pregnancies.
