Which of the Following Is True of Hyperemesis Gravidarum

Which of the following is true of hyperemesis gravidarum?

A) A woman with previous hyperemesis will almost always have it with subsequent pregnancies.
B) Diagnosis can be made by ketonuria, micronutrient deficit, and weight loss of at least 5 pounds.
C) For diagnosis you must have weight loss of greater than 5% of prepregnancy body weight.
D) Wernicke's encephalopathy is a common sequelae of patients with hyperemesis gravidarum.