Mai Duong recently made a desperate online plea for a compatible stem-cell donor.
Duong and doctors told a news conference in Montreal today the umbilical cord came from a woman who gave birth and decided to donate it.
A donor was found after a global search was undertaken to find either a bone marrow or cord blood stem for a transplant.
A tearful Duong said she will now spend the next six to eight weeks in treatment.
But the 34-year-old Vietnamese-Canadian, who has a four-year-old girl, adds she still has to undergo chemotherapy and radiation treatment before the transplant.
Duong successfully fought off acute leukemia in 2013 with chemotherapy. She had to terminate a 15-week pregnancy to undergo the treatment.
Duong was in remission until a blood test revealed leukemia had returned this past May. Finding the right person was a challenge especially for those who are from a non-Caucasian background.