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Why can’t you donate blood during your period?

2025-10-30 21:55:27 female

Why can’t I donate blood during my period?

Donating blood is a selfless act that can help save lives. However, women are often advised to hold off on donating blood during their menstrual period. There are several physiological and health reasons behind this. This article will explain in detail why blood donation is not suitable during menstrual period and provide relevant data support.

Factors affecting blood donation during menstrual period

Why can’t you donate blood during your period?

During a woman's menstrual period, her body goes through a series of changes that may affect the safety of donating blood. Here are the main reasons:

factorsinfluence
increased iron lossWomen lose more blood during menstruation, which reduces iron reserves in the body. Blood donation may exacerbate iron deficiency.
Decreased immunityHormone levels fluctuate during menstruation, the immune system may be weak, and recovery after donating blood may be slower.
Increased fatigueBlood loss and hormonal changes can cause fatigue, and you may feel even more tired after donating blood.
blood pressure fluctuationsSome women have low blood pressure during their menstrual period, and donating blood may cause dizziness or discomfort.

Scientific data support

According to medical research, women donating blood during their menstrual period may cause the following problems:

research indicatorsData results
ferritin levelThe average ferritin level of women during menstrual period is 15%-20% lower than that during non-menstrual period.
Recovery time after donating bloodIt takes 1-2 days longer for blood donors during menstruation to restore hemoglobin levels than for ordinary blood donors.
discomfort reaction rateThe incidence of dizziness and fatigue after donating blood among women during menstrual period is 30% higher than that during non-menstrual period.

health advice

To ensure the health of blood donors and recipients, experts recommend:

  • Avoid donating blood during your period:It is best for women to wait 3 days after their menstrual period before considering donating blood.
  • Supplement iron:You can eat more iron-rich foods (such as red meat, spinach) before and after donating blood.
  • Monitor physical condition:Hemoglobin levels should be checked before donating blood to ensure they meet standards.

Summary

Donating blood during menstruation may place an additional burden on women's health, so blood donation agencies often recommend holding off. Understanding these scientific basis can help women arrange blood donation time more reasonably, which not only protects themselves but also ensures blood quality. Donating blood is a noble act, but health always comes first.

I hope that through this article, everyone will have a clearer understanding of the relevant knowledge of blood donation during menstrual period. If you plan to donate blood, it is recommended to consult your doctor or blood donation center in advance to ensure safety.

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