Some antiemetics previously thought to cause birth defects appear safe for use by pregnant women in the treatment of morning sickness and the more serious hyperemesis gravidarum.[3][4]
^Schaefer, Christof; Scialli, Anthony; Rost van Tonningen, Margreet (2001). "Antiemetics and hyperemesis gravidarum". Drugs During Pregnancy and Lactation: Handbook of Prescription Drugs and Comparative Risk Assessment. Gulf Professional Publishing. ISBN978-0-444-50763-1.