Nausea and vomiting during pregnancy (sometimes termed morning sickness) are among the most common medical issue to arise during pregnancy. Most pregnant women experience some form of nausea and vomiting, and prevalence rates are as high as 50% to 80%.1 Conservative measures, such as dietary modifications and avoidance of triggers, often do not control symptoms, so medications and other nondrug therapies are tried.2 Nausea and vomiting is one of the most common indications for prescriptions during pregnancy.3 Because this is a condition mainly of the first trimester, pregnant women and clinicians have concerns about the potential effects these therapies might have on the developing fetus.
Haas DM. Helping Pregnant Women and Clinicians Understand the Risk of Ondansetron for Nausea and Vomiting During Pregnancy. JAMA. 2018;320(23):2425–2426. doi:10.1001/jama.2018.19328
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