is a difference in sex development affecting genes, hormones, and reproductive anatomy.

is a genetic condition in males with an extra Y chromosome.

is a rare sex chromosome condition causing developmental delays and low testosterone.

is a rare sex chromosome condition causing developmental, learning, and hormonal differences.

is a rare sex chromosome condition with variable developmental and learning challenges.

is a rare sex chromosome condition in males with developmental delays.

is a rare sex chromosome condition causing developmental, learning, and health challenges.

is a rare chromosomal condition in males causing developmental and physical differences.

is a rare genetic disorder causing myelin loss (hypomyelination), dental, hormonal problems.

is a rare chromosome 4 microduplication causing variable developmental and physical differences.

is a rare chromosomal disorder causing developmental delay and growth problems.

is a rare chromosome 4 deletion causing developmental and congenital differences.

results from 5-FU overdose or sensitivity, with potentially life-threatening toxicity.

is a rare inherited metabolic disorder disrupting the glutathione (antioxidant) cycle.

is a rare genetic condition causing developmental delays and variable health issues.

is a rare genetic disorder from missing 5q14.3 DNA, causing developmental delays.

is a rare chromosomal duplication causing developmental delays and variable congenital features.

is a rare enzyme disorder causing episodic hemolytic anemia under oxidative stress.

is a rare inherited metabolic disorder disrupting phenylalanine and neurotransmitters.

is a rare chromosome 6 deletion causing developmental, speech, and learning delays.

is a rare chromosome 6 deletion causing developmental delays and birth differences.

is a genetic condition from missing chromosome 6 material causing developmental challenges.

is a rare genetic condition causing developmental delays and variable congenital features.

is a rare chromosome change causing developmental delays, speech challenges, variable features.