In this issue of Obstetrics and Gynecology Clinics of North America, guest editor Dr. Catherine Stika brings her considerable expertise to the topic of Drugs in Pregnancy. The use of medications during pregnancy can be difficult to manage because not only is research lagging in this area, but typically drugs are not studied for use in pregnant women. In this issue, key experts provide a state-of-the-art review on clinical pharmacology in pregnancy, with a look at commonly prescribed medications as well as over-the-counter medications. Contains 17 practice-oriented topics including obstetrical pharmacology; over-the-counter medications in pregnancy; antibiotic use in pregnancy; opioids in pregnancy; mood disorder medications in pregnancy; and more.  Provides in-depth clinical reviews on drugs in pregnancy, offering actionable insights for clinical practice.  Presents the latest information on this timely, focused topic under the leadership of experienced editors in the field. Authors synthesize and distill the latest research and practice guidelines to create clinically significant, topic-based reviews.