The birth of babies usually allows most people to immediately determine whether the baby is a boy or a girl. However, there are instances when doctors cannot clearly identify their gender, and further examinations are needed. The structure of the human body and sexual characteristics depend on genetic information determined by chromosomes. Most people have 46 chromosomes, which include XY chromosomes in males and XX chromosomes in females. The Relationship Between Genetic Sex and External Appearance Ideally, the genetic sex determined by the chromosomes aligns with external appearance. However, in the case of intersex conditions, this alignment is disrupted, and the genetic sex differs from external sexual characteristics. This article…