2011-01-12-13 Duplicata incompleta with caudal regression syndrome © Asali www.TheFetus.net Duplicata incompleta with caudal regression syndrome This is a case of a 36-year-old G1 P0 who was treated for infertility for the past 16 years. This was her first pregnancy after in vitro-fertilization. It was a twin pregnancy after a transfer of two embryos. Patient went into a preterm labor and delivere