A Young Adult Woman Is Unable to Conceive After Trying

A young adult woman is unable to conceive after trying to get pregnant for over 6 months. The woman reports having had irregular periods since the onset of menarche. The provider notes that the woman is overweight, has acanthosis nigricans, and an excess hair distribution. What does the provider suspect as the most likely primary cause of these symptoms?

A) Congenital adrenal hyperplasia
B) Cushing's syndrome
C) Polycystic ovary syndrome (PCOS)
D) Type 2 diabetes