A process known as rescue karyotyping is allowing doctors to look back into the genetic history of a miscarriage. In today's Academic Minute, Albert Einstein College of Medicine's Zev Williams explains this analytic technique. Williams is assistant professor of obstetrics and gynecology and women’s health and of genetics at Einstein and director of the Program for Early and Recurrent Pregnancy Loss (PEARL) at Einstein and Montefiore Medical Center. A transcript of this podcast can be found here.