Solid information on the risks of medications during pregnancy is often hard to come by. iStockphoto hide caption

itoggle caption iStockphoto

Ultrasound is often used for prenatal screening. It's just one of several prenatal screenings available to pregnant women. iStockphoto hide caption

itoggle caption iStockphoto

Jake and Natalie Peterson and their son Garrett in October 2014. Courtesy of Brittany Jacox hide caption

itoggle caption Courtesy of Brittany Jacox

Alice Snyder, with her parents Mary and Ryan, during a checkup with Dr. John Herzenberg, who treated her clubfoot without surgery. Jenny Gold/Kaiser Health News hide caption

itoggle caption Jenny Gold/Kaiser Health News