Credit: Matt Miller/Washington University School of Medicine
Alison Cahill, MD, an associate professor of obstetrics and gynecology at Washington University School of Medicine in St. Louis, talks with patient Kaylee Prestien at Barnes-Jewish Hospital. Cahill led a national study of 2,400 first-time pregnant women. The research showed that the timing of pushing has no effect on whether women deliver vaginally or by C-section.