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Age and weight

Height and weight chart for female blood donors aged 17-19

Age

  • You can become a blood donor as soon as you reach your 17th birthday.
  • If you’re a new donor, you can start giving blood anytime up to your 66th birthday.
  • If you have given blood before, even if it was some time ago, you can give blood up until your 72nd birthday.
  • If you’re over 72 and in good health, you can continue to give blood provided you have made a full donation in the last two years.

Weight

  • To give blood, you must weigh over 7st 12lb (50 kg).

Donation research and medical evidence has shown that younger women of smaller build are at an increased risk of fainting following blood donation. For this reason, additional height and weight criteria apply to women aged 17-19.

If you are aged 17-19…

  • and you are over 5’ 6” (168cm) in height, or over 10st 3lb (65kg) in weight, you can give blood.
  • and you are under 5’ 6” (168cm) in height, and under 10st 3lb (65kg) in weight, your height and weight will be assessed using our height and weight chart, before deciding if you can give blood.

Even if you are not able to give blood at the moment, we would love you to come back once you reach your 20th birthday, or if your weight increases in the meantime.