This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Surgery
[{'content': 'Mark the false statement regarding physiological gynacomastia \nSelect and explain. \nA. Adolescence gynecomastiais caused by excess of estradiol relative to testosterone., B. Excess of circulating estrogens is specific to cause neonatal gynecomastia only, C. Neonatal gynecomastia is caused by the action of placental estrogens on neonatal breast tissues, D. Senescence gynecomastia is caused by fall in level of circulating testosterone', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Physiologic/Idiopathic gynecomastia No underlying pathologic > 60 % of neonates because of immediate exposure to transplacental estrogens. Estrogen and testosterone shifts occur during pubey. (Estrogen > testosterone) With increasing age, the prevalence keeps on increasing to >70% due to fall in testosterone levels', 'role': 'assistant'}]