https://www.who.int/genomics/gender/en/index1.html
Clearly, there are not only females who are XX and males who are XY, but rather, there is a range of chromosome complements, hormone balances, and phenotypic variations that determine sex. ... In the absence of both a Y chromosome and the influence of a testis-determining factor (TDF), ovaries develop.

https://www2.palomar.edu/anthro/abnormal/abnormal_5.htm