The blood collection is 600-800ml each time, far exceeding the standard of 200ml for each voluntary blood donation. Can the marrow donor tolerate it?

One month before the marrow donation, the doctor will use the leapfrog blood collection method for the marrow donor to prepare blood in advance, that is, collect 200ml of blood in the first week, 400ml of blood in the second week, and input 200ml of blood collected in the previous week, and so on. The adaptability of the marrow donor to be drawn 800ml of blood at a time. Moreover, under normal circumstances, a blood draw does not exceed 20% of the total blood volume (about 4000ml), and it can be recovered in about a month.

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