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Testosterone is the main male sex hormone that is produced in the testes. One of its functions is to stimulate (“wake up”) the development of the male internal genital structures in the fetus. Testosterone is converted in the external genital … Continue reading →

Turner Syndrome occurs when an individual has a karyotype of 45,X (or 45,XO). Girls and women with Turner Syndrome typically have ovaries that don’t function well, resulting in a lack of menses, and infertility. Genetic Information from: NIH, National Library … Continue reading →

Urethral folds are present in all embryos early in development. The urethral folds typically develop into the labia minora in females and the urethra and the shaft of the penis in males.

The uterus is an organ that typically connects with the vagina in females. It is located in the pelvic region and is where babies develop, and is also the source of menstrual flow.

Wolffian ducts are present in all embryos in early development. In males, the Wolffian ducts typically develop into the vas deferens, the epididymis, and the seminal vesicles. The vas deferens is the passageway that carries sperm from the epididymis to … Continue reading →

XY gonadal dysgenesis, occurs when no functional gonads are present, and results in female anatomy (other than gonads) and external appearance. Synonyms: Swyer syndrome