Denys-Drash Syndrome

Denys-Drash Syndrome (DDS) is an intersex trait that effects both AFAB and AMAB individuals. It has only around 150-200 reports, however it may be more frequent than this, just without notice. This condition is caused when one WT1 gene- a gene designed for connecting regions of DNA together- fails to properly function. Because of this, proteins that effect genitals and kidneys are effected during development in the womb.

Those with this condition have diffuse glomerulosclerosis, which is a condition that effects ones kidneys abilities to filter waste. Because of this, they have a 90% chance at gaining Wilms tumor, a rare kidney cancer.

AMAB individuals with this condition may have a penis, however they often have ambiguous genitals, undescended testicles (cryptorchidism), or a vagina. Because of this, they typically are infertile and unable to bare children. They also typically have gonadal dysgenesis as well.

AFAB individuals with this condition have a vagina, while the only noticeable trait of DDS is their kidneys. Because of this, they are often diagnosed with other kidney-related conditions, rather than with DDS.

Resources

 * https://medlineplus.gov/genetics/condition/denys-drash-syndrome/#causes
 * https://en.wikipedia.org/wiki/Denys%E2%80%93Drash_syndrome