In human the XY ovary is degenerative, there being scant evidence of persistence of that organ beyond the perinatal period. Here we describe indications of functional ovarian tissue in a 17-year-old female with male karyotype, H-Y+ cellular phenotype, and some signs of the Turner syndrome. Her gonads were removed after the onset of secondary amenorrhea. Histological examination revealed a degenerative right ovary devoid of germ cells and follicles, and a left streak gonad. There was no trace of testicular development in either side.
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