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Q. I am a transgender female. Are there any markers in one's blood that indicate their sex?

Answered by
Dr. Sadaf Mustafa
and medically reviewed by iCliniq medical review team.
This is a premium question & answer published on May 29, 2017 and last reviewed on: Sep 29, 2021

Hi doctor,

I am a 65 year old transgender female, and I have been on hormone therapy for the past two years. I have had an orchidectomy but not gender reassignment surgery. I recently donated blood, and on the questionnaire, it asked for my biological sex. The person there said that because I was born male, my biological sex would always be male. Are there any markers in one's blood that indicate their sex?

#

Hi,

Welcome to icliniq.com.

  • Every cell in your body has DNA (deoxyribonucleic acid) that defines the genetic makeup. A male is XY and a female is XX. Other than red blood cells, which does not have DNA, rest every cell of the body has DNA.
  • The blood is a mixture of all different kinds of proteins and cells, and the genetic makeup can be determined by sampling it.

Hope I have answered your question. Any further comments and questions are welcome. Regards.

For further queries consult an internal medicine physician online --> https://www.icliniq.com/ask-a-doctor-online/internal-medicine-physician


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