Methods and solutions for the preservation and procurement of placental stem cells. A method for collecting stem cells from a placenta comprises: draining cord blood from the placenta perfusing the drained placenta with a perfusion solution comprising 1,1′-[1,4-phenylenebis(methylene)]-bis-1,4,8,11-tetraazacyclotetradecane or a pharmaceutically acceptable salt thereof, an aminoglycoside antibiotic, papaverine, and a placental preservative and collecting the stem cells and perfusion solution from the placenta.