A North Carolina man who was rendered sterile by cancer treatment as a teenager is now a father after doctors used a sperm sample he donated 22 years ago to impregnate his wife.

• 一名少年时期由于癌症治疗导致不育的北卡罗来纳州男子现在当上了父亲，医生用他22年前捐献的精子样本使其妻子成功怀孕。