Scientists produced a healthy baby monkey named Grady from frozen, immature testicular tissue. This is a big step toward giving childhood cancer survivors the option of preserving their reproductive material and having their own family if chemotherapy leaves them infertile.

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Scientists produced a healthy baby monkey named Grady from frozen, immature testicular tissue. This is a big step toward giving childhood cancer survivors the option of preserving their reproductive material and having their own family if chemotherapy leaves them infertile.