A 49-year-old woman consults a physician due to ongoing fatigue, issues with falling asleep, and experiencing night sweats for the last six months. She has had irregular menstrual cycles over the past year, with her most recent period occurring two months ago. She quit smoking two years ago, and her pelvic examination reveals vulvovaginal atrophy. A pregnancy test comes back negative. What change is most likely to be seen in this patient's condition?
A. Elevated androgens
B. Elevated estrogen levels
C. Increased inhibin B
D. Decreased luteinizing hormone
E. Increased follicle-stimulating hormone
F. Decreased gonadotropin-releasing hormone