A woman who was pregnant when she was diagnosed with leukemia is alive thanks to a unique transplant of umbilical cord blood from two different donors. It was the first time such a procedure had been performed in Colorado. "There were some times where the odds were stacked against us," Sheila Gannon, a leukemia survivor said. Gannon gave birth to her son Sawyer 2 weeks early so she could start chemotherapy. There were infections and complications during that treatment. No bone marrow match was found. Centers that offer umbilical cord blood rejected Gannon at first because her leukemia wasn't in...