At birth, Eric appeared to be a girl, although he was genetically male. However, his parents raised him as a boy. During adolescence, his breasts start to develop but his penis remains small in size. On consulting with doctors, Eric and his parents realize that Eric is infertile because of a prenatal hormonal variation. Eric is most likely suffering from ________.

A) Klinefelter syndrome
B) Turner syndrome
C) congenital adrenal hyperplasia
D) androgen insensitivity syndrome

Prenatal Hormonal Variation

Refers to the fluctuations in hormone levels that occur within the womb during pregnancy, which can influence the development and future health of the fetus.

Klinefelter Syndrome

A genetic condition that affects males, characterized by the presence of an extra X chromosome, leading to symptoms such as reduced testosterone levels and fertility issues.

Androgen Insensitivity Syndrome

A genetic condition in which a person who is genetically male is resistant to male sex hormones, leading to the development of female physical traits but male genetic makeup.