Is 46XX karyotype always a female?

Abstract excerpt

A19-year-old man, from a middle east country was referred by his physician to the endocrine department for bilateral gynaecomastia, low libido and sparse facial hair. There was no history of any chronic illness, mumps or traumatic injury to testis. He had clinical features suggestive of gonadotropin deficiency which was confirmed on biochemical testing. On karyotype and fluorescent in situ hybridisation analysis,...

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