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BMJ Case Rep. 2015 Feb 9;2015. pii: bcr2014206609. doi: 10.1136/bcr-2014-206609.

A rare cause of primary amenorrhoea, the XY female with gonadal dysgenesis.

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Department of Obstetrics, Antwerp University Hospital UZA, Edegem, Belgium.
Department of Genetics, Antwerp University Hospital UZA, Edegem, Belgium.


Disorders of sexual development are conditions where sexual phenotype and genotype are discordant. Genetic sex is determined at conception as the ovum is fertilised by a spermatozoon that contains either an X or Y chromosome. A complex pathway determined by genes and hormones leads to gonadal differentiation into testis or ovary and promotes the development of internal and external genitalia. We present a case of an 18-year-old woman who presented with primary amenorrhoea. She was a virgin, and apart from hirsutism and overweight, had no complaints. Her family history was insignificant. The patient was tall and had underdeveloped breasts. Her blood results showed hypergonadotropic hypogonadism. A 46, XY genotype was detected with karyotype analysis. Ultrasound and MRI demonstrated the presence of a uterus, but no overt gonads. Laparoscopy was performed, with bilateral removal of streak ovaries.

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