Marginal cord insertions can be found on antenatal ultrasound. What is the data regarding marginal cord insertion and adverse neonatal outcomes? Is there a relationship, or is this a benign finding? Are serial growth ultrasounds recommended? What about antepartum fetal surveillance for isolated marginal cord insertion? In this episode, we will review the latest data on pregnancies with marginal cord insertion. We will end the episode with a summary of the expert opinions regarding best practice for management of pregnancies found to have a marginal cord insertion.