球员将孩子脐带血中的干细胞冷冻，以便今后可以用于治愈软骨和韧带疾病。
Players are freezing the cells taken from the umbilical cord blood of their babies as a possible future cure for cartilage and ligament problems.
那是因为脐带血中含有干细胞，将来某一天它能够挽救孩子或是孩子兄弟姐妹的生命。
That's because cord blood contains stem cells that could one day save the life of your child or of one of your child's siblings.
脐带血中含有丰富的干细胞，因此有着救人一命的潜力，这一点已经不存在任何争议。但据专家估计，99%的脐带血在产后被白白丢弃。
Cord blood is a noncontroversial source of stem cells, yet experts estimate that 99% of this potentially lifesaving resource gets thrown away postpartum.
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