This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sex Hormones, Subject name: Physiology
[{'content': 'The type of estrogen found in highest concen- tration in adult female is- \nSelect and explain. \nA. Estrone, B. Estriol, C. Estradiol, D. None', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e.. Estradiol f Ref: Principles of medical physiology p. 216]o Estradial, estrone and estrial, all three are found in blood, but estradiol is the most potent estrogen.o Major estrogen in normal adult women - Estradiolo Major estrogen in postmenoapusal women - Estroneo Major estrogen in pregnant women - Estriol.o In post menopausal women estrogen is formed in peripheral tissues most commonly in adipose tissue, liver kidney and brain.", 'role': 'assistant'}]