Final answer:
The most likely diagnosis for a patient with irregular menses, hirsutism, and infertility is polycystic ovary syndrome (PCOS).
Step-by-step explanation:
The most likely diagnosis for a patient presenting with irregular menses, hirsutism, and infertility is polycystic ovary syndrome (PCOS). PCOS is a disorder of the endocrine system that affects the ovaries and hormone levels. It is characterized by the presence of cysts on the ovaries, irregular menstrual cycles, excess androgens (male hormones) leading to hirsutism (excess hair growth), and difficulty conceiving.