While the majority of pregnant women experience nausea and/or vomiting during the first trimester of pregnancy, a smaller subset of women -- around 1% -- experience more severe and intractable vomiting, or hyperemesis gravidarum [...]
In treating pregnant women with mood or anxiety disorders, we tend to focus primarily on the reproductive safety of psychotropic medications; however, it must be recognized that withholding or withdrawing pharmacologic treatment for depression or anxiety during pregnancy may carry some degree of risk. Untreated psychiatric illness in the mother cannot be considered a benign event, and a number of studies have indicated that depression during pregnancy may negatively affect pregnancy outcomes (reviewed in Bonari 2004).
