3038 In Vitro Fertilization Here, Dr. Nackley explains when IVF is used to treat infertility. Here, Dr. Nackley explains when IVF is used to treat infertility. 00:33 33 http://s3.amazonaws.com/eiivideo/public/assets/image/2960/c5_v3.jpg http://s3.amazonaws.com/eiivideo/public/assets/flash/2774/high_c5_v3.flv http://embryo.einsteinapps.com/video/player/3038-in-vitro-fertilization