This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrinology, Subject name: Medicine
Which of the following is NOT a feature of thyrotoxicosis? 
Select and explain. 
A. Palpitation, B. Anxiety, C. Weight loss, D. Menorrhagia
D: Menorrhagia
Answer: D: Menorrhagia 
Explanation: Ans. (d) MenorrhagiaRef: Harrison 19th ed. / 2293* Thyrotoxicosis is characterized by increased sympatho- mimetic action causing palpitations, anxiety and increased BMR causing weight loss. The menstrual abnormality in Graves disease is oligo-menorrhea.* REMEMBER: weight gain with menorrhagia is seen in hypothyroidism. Weight gain with hirusutism with oligomenorrhea is seen in Cushing syndrome.