Ambiguous genitalia is a term denoted to external genitalia that are not clearly male or female. The external genitalia may or may not match the chromosomal sex of the baby. Possible causes of ambiguous genitalia are: - congenital adrenal hyperplasia - tumors - prenatal exposure to male hormones - 5a-reductase deficiency - androgen insensitivity syndrome - impaired development of testes Reference: https://www.mayoclinic.org/diseases-conditions/ambiguous-genitalia/symptoms-causes/syc-20369273 Image via: https://www.researchgate.net/figure/Ambiguous-genitalia-on-urogenital-examination_fig1_230643716