The perinatal nurse knows that nausea and vomiting are common in pregnancy and usually resolve by ...

ANS: 16; hyperemesis gravidarum
Feedback 1: Nausea and vomiting are a common condition of pregnancy which affect 70 to 85 of pregnant women and usually resolve by the 16th week of gestation.
Feedback 2: Hyperemesis gravidarum represents the extreme end of the nausea/vomiting spectrum in terms of severity. Criteria for the diagnosis of hyperemesis gravidarum include persistent vomiting unrelated to other causes, a measure of acute starvation (usually large ketonuria), and some discrete weight loss, most often 5 of the prepregnancy weight.